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Balloon Inside a Bottle
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In this activity about phase change and condensation, learners boil water in an empty pop bottle in the microwave.
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Control a Bird’s Flight
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In this engineering design challenge, learners make a bird and then control its flight with attached strings.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-321.jpg?itok=YSshKG9-)
Air Cannon
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In this activity, learners create air cannons out of everyday materials. Learners use their air cannons to investigate air as a force and air pressure.
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Carbon Cycle Poster
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In this activity, learners gain knowledge about how carbon moves through all four of the Earth’s major spheres (biosphere, hydrosphere, atmosphere, and lithosphere), and understand how humans influenc
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Oil Spill Solutions
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In this activity, learners explore how environmental engineers might approach solving the problem of an oil spill.
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Paper Chromatography with Leaves
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In this activity on page 5 of the PDF (Plants—The Green Machines), learners use chromatography to separate and identify pigments within various leaves.
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pH Scale
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In this online interactive simulation, learners will test the pH of liquids like coffee, spit, and soap to determine whether each is acidic, basic, or neutral.
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Let's Look at Water & the Scientific Method
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This activity has learners observe water and compare it to other liquids.
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Physical Change
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In this activity, learners use heat to separate zinc and copper in a penny. This experiment demonstrates physical properties and how physical change (phase change) can be used to separate matter.
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Instant Ice
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In this activity, learners observe a quick phase change as water rapidly goes from a liquid state to a solid state.
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How Many Pennies?
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In this activity (pages 13-14), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.
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Meltdown
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In this activity, learners heat ice and water of the same temperature to get a hands-on look at phase changes. This is an easy and inexpensive way to introduce states of matter and thermodynamics.
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Layered Liquids: Chemistry You Can Drink
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In this chemistry activity (on page 2 of the PDF), learners make a layered drink with liquids of different densities.
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Wind Works!
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Learners will build and experiment with their own windmills made from simple household materials.
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Investigating the Line
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In the related activity called "Colors Collide or Combine," learners are intrigued by the apparent "line" that forms where colors from M&M coatings meet but do not mix.
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Biochemistry Happens Inside of You!
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In this four-part activity, learners explore how the body works and the chemistry that happens inside living things.
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Soapy Boat
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Learners discover that soap can be used to power a boat. Learners make a simple, flat boat model, put it in water, and then add a drop of detergent at the back of the boat.
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We all Scream for Ice Cream
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In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream.
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A Spray Spree
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In this activity, learners explore water pressure by conducting an experiment with a garden hose. Learners build a testing apparatus and create PVC nozzles with different sized holes.
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Can Crushers
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In this activity, learners conduct an experiment by heating an aluminum can filled with water to investigate air pressure.