 Teaching the cell theory? If you just throw a bunch of names at your students, chances are they aren't going to remember them. How can you make this topic more interesting? I like having students actually SEE what these scientists discovered (yes, you will need microscopes). In this cell theory microscope activity students will observe cork cells like Hooke, pond water like Van Leeuwenhoek, plant cells like Schleiden... you get the idea.
For this lab you will need the following:
To carry out this activity, you have two options depending on the materials you have available. OPTION 1: Have students travel around the room This option is for teachers that have limited materials (ie: you don't have a class set of microscopes or time to make a ton of wet mount slides). Prior to students entering the room, you will need to set up 5 stations around the room, one for each scientist. When students begin the activity they will be assigned a station to begin at, so only a few students will start at Hooke. If you have the microscopes already set up and pre-focused, students won't need a ton of time at each station. All they will have to do is observe and complete their drawing before rotating to the next station. OPTION 2: Have students stay in their seats and work through the scientists chronologically For this option you will need a class set of microscopes and slides. This option is ideal because students get to start at Hooke and work their way through. Students will first view cork cells (Hooke), pond water (Van Leeuwenhoek), plant cells (Schleiden), animal cells (Schwann), and dividing cells (Virchow). If your students know how to make wet mounts, this option is a breeze to set up since they will do most of the work for you. Students will observe the slides under the microscope, make drawings of what they see, and write down observations about each cell type. While this lab can take a bit of prep work, it is WAY more engaging than simply having students take notes on each scientist. YOU CAN FIND THE LAB ACTIVITY HERE. Following the activity you can show students this Youtube clip titled "The Wacky History of the Cell Theory." It's a fun one. If you follow up this lesson with the topic of "why are cells so small?" you might want to check out this lab. Hope your students enjoy! Rock on, 
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 As teachers, we all have that one topic we hate to teach. For me, it's photosynthesis and cellular respiration. They learn the basics in middle school: plants need water, carbon dioxide, and sunlight, and in turn they create oxygen and glucose. Then glucose gets broken down and turns into energy. End of story. In college or AP biology, students have to learn the nitty gritty of glycolysis, krebs cycle, and electron transport chain. The biochemistry can make your eyes glaze over. It has always been a struggle for me to figure out what exactly to cover for the average high school student. What is that "happy medium" I can cover that will give them more than the basic formula, but not so much they get overwhelmed? I've decided that that happy medium looks like this:
Here is a round-up of what I consider "happy-medium" respiration lessons.  1. When I introduce the topic of cellular respiration, I usually use bromothymol blue as a demo. Fill a beaker with roughly 150mL of water and 2mL of bromothymol blue. Discuss with students that bromothymol blue is a pH indicator and will change from blue to green as the solution becomes more acidic. Call up a volunteer to blow through a straw into the beaker. Time how long it takes to change from blue to green. Then repeat the experiment, but before allowing them to blow into the straw, have the student do some jumping jacks, pushups, or something to get their heart going. Ask the class- do you think it will take more time or less time for the color to change from blue to green? Why?  2. If you have access to some aquatic plants and bromothymol blue, this carbon cycle lab is fun with easy set-up. Students place some aquatic plants (elodea works great, but any aquatic plant will work) in test tubes and fill with water and bromothymol blue, which is a pH indicator. Placed in the light, the plants will produce oxygen and students will see the color change from green to blue in one test tube. If the test tubes are wrapped in tin foil to block any light, the plants will only do respiration and the color will change from blue to green in one vial. If you'd like to read more about how I set up this lab, head to this blog post.  3. Here is a free "barf bag" activity from Suburban Science. Students mix cereal, yeast, and water in a ziploc bag and observe the accumulation of carbon dioxide in the bag. 4. Similarly, here is a "sourdough starter" respiration activity. This is a great tie-in with food science! 5. Speaking of food science, this lab has students make root beer while learning about cellular respiration.  6. This interactive diagram has clickable slides for both photosynthesis and cellular respiration. Students can click on each step and learn about what occurs, as well as watch video clips and try out some interactive websites. Also included is a google form self-grading quiz students can take following the activity. You can find it here.  7. Do you have access to probeware? If so, you can have students measure the rate of respiration in different organisms. You can purchase crickets inexpensively and have students measure the respiration rate in a cold water bath vs warm water bath. If you would prefer to not use invertebrates you can use germinated peas or beans. Here is a lab worksheet you can use.  8. This station activity was created with the intent to give students an opportunity to understand and apply big picture respiration concepts, not memorize biochemistry steps. Stations include things like observing yeast cells undergoing respiration, reading about the 1980's Tylenol killer, and comparing the respiration rate of crickets in warm and cold temperatures. High interest and low prep! You can find it in my TpT store here.  9. In this virtual lab activity from Biology Corner, students measure the impact of temperature on the rate of respiration in a goldfish. 10. Here is another virtual lab activity you might want to check out that uses yeast.  11. If you want something students can glue into an interactive notebook, you might be interested in this respiration flip book. Students cut out the 6 flaps, staple them together, and identify the major components of glycolysis, krebs cycle, and electron transport chain. I hope one (or two) of those resources are helpful for you! Looking for photosynthesis resources? Head over to this blog post! Rock on,   As teachers, we all have that one topic we hate to teach. For me, it's photosynthesis and cellular respiration. They learn the basics in middle school: plants need water, carbon dioxide, and sunlight, and in turn they create oxygen and glucose. Eventually glucose gets broken down and turns into energy. End of story. In college or AP biology, students have to learn the nitty gritty of the light dependent and light independent reactions. The biochemistry can make your eyes glaze over. It has always been a struggle for me to figure out what exactly to cover for the average high school student. What is that "happy medium" I can cover that will give them more than the basic formula, but not so much they get overwhelmed? I've decided that that happy medium looks like this:
Here is a round-up of what I consider "happy-medium" photosynthesis lessons.  1. You've probably seen this spinach disc lab floating around the internet. It is fun and produces good data... when students set it up correctly. You can find a summary of the lab with pictures here. It can be difficult for them to get all the spinach discs to sink in the syringe. Sometimes after students finally get them to sink, they get terrible data (and often times the discs won't rise at all). Tip: I tell students if they don't get the discs to sink after 3 tries, dump them and start over with new discs.  2. If you have access to some aquatic plants and bromothymol blue, this carbon cycle lab is fun with easy set-up. Students place some aquatic plants (elodea works great, but any aquatic plant will work) in test tubes and fill with water and bromothymol blue, which is a pH indicator. Placed in the light, the plants will produce oxygen and students will see the color change from green to blue in one test tube. If the test tubes are wrapped in tin foil to block any light, the plants will only do respiration and the color will change from blue to green in one vial. If you'd like to read more about how I set up this lab, head to this blog post.  3. Similar to the lab above- algae beads are a great option. As you place the algae beads with a pH indicator under a light source, students will see a color change as carbon dioxide is converted to oxygen. While you can make your own, it is easier to just order them. The kit pictured is from Wards. 4. Here is a photosynthesis relay race activity that can be downloaded for free from Ellen McHenry's site.  5. This interactive diagram has clickable slides for both photosynthesis and cellular respiration. Students can click on each step and learn about what occurs, as well as watch video clips and try out some interactive websites. Also included is a google form self-grading quiz students can take following the activity. You can find it here.  6. This station activity was created with the intent to give students an opportunity to understand and apply big picture photosynthesis concepts, not memorize biochemistry steps. Stations include things like observing stomata under the microscope, learning about why leaves change color in the fall, and learning about some animals that are able to photosynthesize. High interest and low prep! You can find it in my TpT store here.  7. Here is a virtual (non-flash!) lab that students can complete. They are able to change the light intensity, light distance, and light color to see the impact on the rate of photosynthesis.  8. Chlorophyll absorbs red and blue wavelengths really well, and does no absorb green (which is why it appears green). In this "bloody chlorophyll" demo, students can see how chlorophyll appears red under a black light. Check out a video here, and an explanation of how it works here. 9. Want to try some fall leaf chromatography? Here is a site that includes lab directions.  10. Want students to see what stomata look like under the microscope? Head to this blog post to learn how! 11. This photosynthesis modeling activity from Cal Academy uses ping pong balls and egg cartons. While it takes a while to set up, it helps students visualize how molecules move through the processes of photosynthesis (and respiration).  12. If you want something students can glue into an interactive notebook, you might be interested in this photosynthesis flip book. Students cut out the 6 flaps, staple them together, and identify the major components of the light dependent and light independent reactions. I hope one (or two!) of those activities help you with this tough topic! Looking for cellular respiration resources? Head to this blog post. Rock on,   Moon phases. Some students catch on right away, while others seem to NEVER get it. (Heck, sometimes I even second guess myself). You've tried worksheets, the flashlight and styrofoam ball demo, video clips, and it still isn't sinking in. Here is something new you can try: make a moon phase poster they can stick their head in, spin around as the Earth would, and PHYSICALLY SEE what the phases look like from each point of view. So many "ah-ha!" moments with this one!
How to assemble: 1. Begin by tracing a large circle in the center of the foam board. Flip a small trash can over or a large mixing bowl. Cut out the hole with a pocket knife so you have a large round hole in the center. (Tip: the bigger the hole, the better. Your students will be sticking their head through here eventually, and you don't want their eyes to be right up next to the ping pong balls). 2. Grab 8 white ping pong balls and color or paint exactly half of the ball black. These will represent the moon. 3. Glue the "moon" balls around the circular hole to represent its orbit. Make sure the white sides of the balls are all facing the same end of the board, where sunlight would be shining from. 4. Optional: Glue on a yellow or orange ping pong ball to represent the sun. This will need to be on the side of the board where the white sides of the moon balls are facing. If you don't have another ball to use, you can draw in big arrows with a silver sharpie to represent the direction of the Sun's rays. Time to play! Have students stick their head into the hole. As they turn the board slowly, they will notice the white (visible) part of the moon changes. Below are some images of what students would see:
All in all this board cost me around $6 to make and will last for many years. I think it is really worth the investment! Rock on,   Hi! If you've been following for a while, you might have noticed I have A LOT of blog posts and it can get difficult to find what you need. I compiled a complete list of blog posts broken down by content that I will keep updated. You can refer back to it at the top of the categories on the right hand side of the page. I hope this saves you some time and avoidance of the endless scroll!
LIFE SCIENCE Intro to Biology / Characteristics of Life · Teaching the characteristics of life · Scientific method labs for biology teachers · How to set up a bacterial culture lab Ecology · Supplemental materials for The Serengeti Rules · Free Farm-to-fork curriculum · Ecology Population Growth resources · Teaching resources for the biogeochemical cycles · Keystone species and trophic cascades - Human impact on ecosystems · Invasive species teaching resources · Video clips for teaching symbiosis · Everything you need to teach food chains · Resources for teaching ecological succession - Owl pellet dissection tips - Biomes teaching resources Biochemistry · Macromolecules- making biochemistry fun again Cells · How to view stomata under the microscope · Carbon cycle lab- photosynthesis and respiration · Cellular organelles working together · Cell size lab: examining surface area to volume ratios · Transforming your microscope unit from good to great · Microscope alternatives · A better way to teach cell division · 10 resources for teaching cell membranes · Why we should STOP teaching the nucleus is the control center of the cell · Setting up a hay infusion for your microscope unit · How to use an onion for your osmosis lab · Animal hair microscope slides - Photosynthesis resources - Cellular respiration resources - Homeostasis teaching resources Genetics · Protein synthesis blueprint activity · Teaching protein synthesis just got easier · Karyotype station activities · GMO and CRISPR teaching resources · Blood type pedigree lab - Codon bingo - Epigenetics teaching resources Evolution & Classification · Not sold on evolution? Let me explain what the term means… · Human evolution teaching resources · Resources for teaching cladograms · Build your own candy cladogram · Teaching natural selection and evolution - Dichotomous key resources EARTH AND SPACE SCIENCE Atmosphere · Atmosphere model in a bottle · Air pollution experiment Hydrosphere · Water cycle resources for secondary grades · Teaching climate change with ice cores - How to build an aquifer model - Ocean acidification lab Astronomy · My 3 days at NASA - How to build a 3D constellation - Moon phase poster Geosphere · Rock and fossil classification labs · Urban heat islands · A case study of lake Nyos - Plate tectonics activities - Hot spot island formation - Fossil lesson plans - Rock cycle activities PHYSICAL SCIENCE · Introducing diffusion with smelly balloons · States of matter and phase changes · Polarity and electronegativity teaching resources · Lab ideas for teaching density · Physics lab- build a parachute · Pendulum lab · Motion graphing made easy with Pasco · Metric system teaching hack · Teaching pH in a snap - Conservation of mass experiments - Periodic table bingo - Periodic table teaching resources LITERACY and ASSESSMENT · Teaching vocabulary without the worksheet · 4 reasons you should be using exit tickets · Increasing science literacy with writing prompts · The dog days of April testing… · Hey ELL teacher, you matter! · Recommended summer science reads · 10 tips for teaching ELLs in the science classroom · Why I believe in Cornell notes · Crazy for card sorts · Puzzles and games in the science classroom · Where to find free science articles · Practice writing procedures - Digital choice boards - Activities you can use for bellwork - Alternative forms of assessment - Graphing practice - Metric system teaching resources PBL · PBL 1: Project based learning- what is it? · PBL 2: Getting started on a project · PBL 3: The product and student led inquiry · PBL 4: Beyond the classroom · 10 tips for effective group work · Tips for making and using rubrics · Teaching students to give effective peer feedback · Guest Speakers Part 1: Why you should utilize guest speakers and where to find them - Guest Speakers Part 2: What to do during, before, and after the presentation SEASONAL / BACK TO SCHOOL · End of the school year ideas for secondary science · March madness- science edition · Christmas Holiday science activities · Show your coworkers some love! Teacher appreciation day · Must-Do end of the school year tasks to save yourself time · Halloween science ideas - Glow stick science - Glow in the dark science experiments · April Fools jokes for the science classroom · Summer science activities · Valentine’s day science ideas · Earth day science resources - Thanksgiving and fall science resources - Interactive bulletin boards · Scientific speed dating GENERAL SCIENCE TEACHING TIPS · Citizen science projects · Increase student engagement with whiteboards · Finding a teacher mentor · How to handle lab absences and make ups · Class finished 5 minutes early… now what? · Why I don’t teach lab safety the first week of school… and other back to school science teacher tips · Secondary science extra credit opportunities that are actually worthwhile · Train your students so your classroom runs like a well oiled machine · Increasing parent teacher communication in a secondary classroom · Thinking like a scientist: Using CER · 5 tips to quickly learn student names · Why I let students use notes on tests · Accommodating for both high and low level learners · Please, just give the kid a pencil · 10 tips for teaching in the inner city · Tips for a first year science teacher · How to get students to ask for help when they need it · Students shutting down? 3 teacher behaviors you need to stop doing · Building a caring classroom culture · Classroom décor on a budget - Brain breaks for secondary students - Ideas for early finishers - Low prep sub plans - Student voice and choice - 20 must-have lab supplies for science - Student prize ideas TECHNOLOGY · Virtual field trips · 5 low prep ideas for distance learning · Utilizing live stream webcams · Video clips for CER practice · Great movies for the science classroom · STEM- Making animated videos · Using infographics for assessment · Secondary science virtual labs · Tips for building relationships virtually - Science podcasts for teens - Tech tools to support ELL students - Interactive diagrams MISCELLANEOUS · Making class fun again… reflections after 10 years of teaching · Twitter science bulletin board · Free science posters · Comparing the amount of carbonation in different brands of soda- an inquiry lab · Consumer science experiments - Forensics- How to grow maggots for an entomology lab - Science experiments with 2 liter bottles - National park teaching resources  Glow sticks always increase student engagement! They are inexpensive to buy (I can usually find them 8 for $1 at the dollar store). There are quite a few labs you can do with glow sticks depending on your science content area. Here is a list to choose from! TEACH PHYSICAL SCIENCE? 1. Conservation of Mass: Covering the law of conservation of mass after introducing physical vs chemical changes? Students can see how the mass of the glow stick shouldn't change before and after a chemical reaction. While electronic scales work best for this, triple beam balances will still work. (If you want to see more conservation of mass ideas, check out this blog post).  TEACH ASTRONOMY? 2. Star luminosity: We know that the hotter a star is, the brighter it will be. Before introducing HR diagrams, pop a glow stick into a beaker of hot water, and another glow stick into a beaker of cold water. Students will see that the glow stick is much brighter in the hot water. HR diagrams can be a bit overwhelming at first, so this is a fun and easy way to introduce the concept. TEACH BIOLOGY? 3. Rate of reactions: When we talk about enzymes, we discuss how they only work in a specific range of temperature and pH or they denature. How does heat impact the rate of reactions in our bodies? For this lab I gave students 3 glow sticks and they had to figure out how to test the effect of temperature on the rate of the chemical reaction. The only thing that tripped them up when designing their experiment was how they would measure the dependent variable. (Many groups said they would time how long the glow stick glowed... well I didn't want to wait around for 24 hours!) So we decided we would only crack the center of the glow stick (not the entire thing) and time how long it took for the reaction to spread.
Looking for more GLOW IN THE DARK lab ideas? Check out this blog post! Rock on,   Whenever I play review games before a test, I always have some sort of prize students can win. There is a LOT more buy in when there is a prize at stake, even if it's only worth a few cents! Here are a list of prize ideas your students will love that won't break the bank. (Note: some links are Amazon affiliate links). 1. CANDY. My go-to prize is a jolly rancher. I can buy a large bag at the grocery store for around $8 that lasts quite a long time. You'd be surprised the lengths students will go to in order to win a jolly rancher! Dum-Dums and Lifesaver mints are also very affordable options. 2. SCHOOL SUPPLIES. I stock up on mechanical pencils during back-to-school season when they are really cheap. Students also love colorful pens and fun shaped erasers. 3. HOMEWORK PASS. I'm not a teacher that assigns much homework, but if you do, consider giving out homework passes. Dollar stores tend to carry stacks of homework passes you can fill in. 4. STICKERS. These science-themed vinyl stickers are super fun! Students can stick them on water bottles and notebooks. 5. CHOOSE YOUR SEAT. I'm a little type-A, so I always use seating charts. Yes, even for high school. But you could use a free-seat-day as a reward. I tell students they can sit wherever, but I get to veto if they end up talking to their friends instead of working. 6. PINS. At my school students are required to wear an ID, and most wear it attached to a lanyard. Pins are a fun way to dress up their lanyard. Here are some science pins they could win as a prize! 7. BRAIN TEASERS. Metal puzzle brain teasers are something students really enjoy playing with. I've also seen them at the dollar store, along with some other fun puzzles and games that won't break the bank. 8. COUPONS. Try hitting up your local Circle K or gas station and ask if they have any coupons they could donate. Circle K has given me "polar pop" coupons I could use as student rewards. What other items do you like to give out as rewards? Drop me a comment!   Ecology is one of my favorite topics to teach (along with evolution), so I'm excited to write up this blog post on biomes! In biology we begin the year with the characteristics of life, and then move into ecology. I like starting with ecology because it involves relatively easy concepts. Many students will have learned the basics in middle school, so it's not a scary way to start the year. When working my way through the content, I essentially just teach in the order of the levels of organization (start with population dynamics, move onto community interactions... you get the idea. End with biomes). I generally don't have a ton of time left in the quarter, so if I get to spend 2-3 days on biomes thats a win. Since time is short I focus on the big picture- what causes these biomes? What patterns do we see when we look at a biome map? Why is biodiversity important within biomes? What is the human impact on biomes? Big picture concepts. What I DO NOT spend time on is having students memorize information about each biome. My goal is for students to walk away with an understanding of why biodiversity is important and how we can protect the natural world, not ramble off facts such as which biome receives the most precipitation and which biome has the greatest swing in annual temperature. (Stepping off soapbox). Here is a list of some fun activities you can use to teach biomes:  TRAVEL BROCHURE: Let your students get creative and create a travel brochure for a biome of their choice. You can have them do it electronically or give them some old Nat Geo magazines to cut up and paste. Here is a free handout to go with the assignment. MISSION BIOMES: Need a website for students to do research on each biome so they can complete their brochure? Check out this site from NASA.  INTERACTIVE GAME: If you teach middle school, you may want to check out this interactive game where students match an animal to the continent it lives on. BUILD A BIOME: This online interactive allows students to build a biome based on plants, animals, rainfall, and temperature.  VIRTUAL FIELD TRIP: Check out this fun virtual biome explorer from Arizona State University. Not every biome is included, but it is really fun to play around with! CLIMATOGRAMS: Want to include some graphing practice in your ecology unit? Have students read climatograms for each biome with this worksheet.  INTERACTIVE DIAGRAM: I spent a ton of time working on this interactive diagram students could explore. What took the most time was scouring Google Earth looking for cool places students could virtually explore for each biome. Students will also see what plants and animals live in each biome, where they are located on a world map, and analyze a climatogram. Included is the 7 slide interactive diagram and a Google form quiz. HHMI: If you teach biology, you have probably checked out lessons from HHMI Biointeractive (and if you haven't, do so now!) This biome viewer includes an interactive globe where students can click on different biomes and learn more about them. SPEED DATING: There are a few biome speed dating activities that are available for free on the internet. (I cant always find a reliable link so you will need to do a Google search). I hope you can use one (or two!) of those activities! Rock on,   Owl pellets are really fun to dissect during ecology. One concern voiced by some colleague is this- most students have already dissected owl pellets in elementary or middle school. By the time they get to high school biology, should we do it again? What are they really taking away from the lesson? If we do the dissection, how can we up the rigor? All of those are valid questions to consider. I love doing the lab because owl pellets are relatively affordable (especially if you put students in groups of 2 or 3), and engagement is high. Here are some ideas on how to up the rigor with high school students: 1. COMPARE PREY SPECIES- Depending on your budget, order both northwest and southwest pellets. You can have half the students dissect northwest pellets and the other have dissect southwest pellets. Compare the prey that are found and discuss the differences. Other birds of prey create pellets too- what would students expect to find in a heron or hawk pellet? 2. TROPHIC PYRAMIDS- After dissecting the pellets, have students turn the data into trophic pyramids. Students can create a pyramid of numbers using class data- for every owl (number of pellets you passed out), how many prey were found? They can also create a pyramid of biomass if you give them numbers to work with. Suppose an average barn owl has a mass of 500g and an average mouse has a mass of 20g. If one owl eats one mouse per day, what would a pyramid of biomass look like for 1 year? Have them work the math and draw it out. 3. ENERGY TRANSFER- Discuss energy transfer from prey to predator. You could give students hypothetical numbers (in joules or kcal) and have them calculate the percentage of energy transferred from one trophic level to the next. You'll want it to work out to around 10%. 4. SKELETON ASSEMBLY- If time allows, have students take their bones and re-assemble the prey skeleton. You can easily google an image of a mouse skeleton and have students glue on as many bones as they can identify.
Note: One thing to consider is that Native American students will not participate in this lab for cultural reasons. You will want to check in with any of these students a few days before and let them know what is coming up. I have them talk to their parents and give them the option to complete a virtual dissection or just excuse the lab and they can work on assignments for other classes. Looking for a lab worksheet for an owl pellet dissection? Click here! I also have a blog post with more food chain and web activities you might want to check out. Let me know if you have any questions! Rock on!   The beginning of the school year for chemistry teachers means... #1: atomic structure, and #2: how to read the periodic table. Looking for some fresh ideas? Here is a list of resources you can use to introduce and explore the periodic table.  1. ORGANIZING A STORE: Before diving into the periodic table and how it is organized, you can ask students how a grocery store is organized. What are the sections of the store? What foods go together in certain aisles? Then you can relate it to the periodic table- elements in the same family have similar characteristics. 2. TARSIA PUZZLE: Tarsia puzzles are a great way to review vocabulary terms. Students arrange the puzzle so the vocabulary word is on one triangle, and the matching definition is on the complementary triangle. You can find the puzzle here.  3. BINGO: One way to familiarize students with elements on the periodic table is by playing bingo. You can find more information at this blog post. 4. BATTLESHIP: I came across this periodic table battleship idea and thought it looked so fun! I haven't tried it with students but I bet they would love it. You can find the directions here.  5. THE NAME GAME: Here is a fun name game you can do with students! It is a free lesson you can download from Biology Roots on TpT. 6. BUILD A TABLE: Looking for a class project (and some free classroom decor?) Have students research an element and build a periodic table on your classroom wall. You can find this free lesson from Crazy Science Lady on TpT.  7. PERIODIC TABLE INTERACTIVE GAME: Looking for some digital options? Check out this game where students have to click on given elements. 8. CHOICE BOARD: Choice boards are great end-of-unit activities students can work on. If you have students that finish their work quickly and have some time to fill, check out this digital choice board.  9. PODCAST: The Royal Society of Chemistry has an interactive site where students can click on an element and listen to a podcast episode. You can check it out here. 10. PTABLE: Looking for a deeper dive into the periodic table? Head to ptable.com. Aside from just the basics, you can check out an element's electronegativity value, melting point, boiling point, density, and more. (You can also download some lesson ideas that go with this site here).  11. 3D PERIODIC TABLE: This website has a 3D periodic table where students can analyze different trends. It's really fun to play around with! Moving onto polarity and electronegativity next? Check out this blog post with more resources! Rock on,  |
Becca
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