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Showing results 21 to 40 of 196
Pinhole Viewer
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In this activity, learners discuss and investigate how cameras, telescopes, and their own eyes use light in similar ways.
The Space Place
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In this activity (23rd on the page), learners conduct an experiment to examine memory and learning.
Carbon Sequestration
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In this inquiry-based lesson, learners measure the biomass of trees, calculate the carbon stored by the trees, and use this information to create recommendations about using trees for carbon sequestra
Earth's Energy Cycle: Albedo
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In this activity, learners experiment and observe how the color of materials that cover the Earth affects the amounts of sunlight our planet absorbs.
Blind Spot
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In this activity, learners conduct a simple test to find their blind spot.
Screaming Balloon
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In this quick activity (page 1 of the PDF under SciGirls Activity: Extreme Sounds) about sound vibrations, learners will investigate which small objects, such as coins, hex nuts, or marbles, produce t
Film Canister Farming
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In this hands-on botany activity, learners sprout vegetables in film canisters.
How Quick Are Your Responses?
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In this activity (on page 134 of the PDF), learners explore reaction time.
Straw Kazoo
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In this activity, learners make some music by constructing a kazoo out of a simple plastic drinking straw. Use this activity to explore sound, vibrations, and music.
Why Doesn’t the Ocean Freeze?
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In this activity, learners explore how salt water freezes in comparison to fresh water.
Do the Mystery Samples Contain Life?
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In this activity (on pages 13-16 of the PDF) learners investigate three mystery samples to see which one contains life. The three samples are sand, sand and yeast, and sand and antacid.
The Ripple Tank
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In this optics activity, learners create a ripple tank from household materials to study waves. Learners build the tank and then explore by making various types of waves.
It's a Gas, Man
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In this activity, learners discover if carbon dioxide has an effect on temperature.
Flashy Fish
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Professor John Endler traveled to Trinidad in the 1970s to study wild guppies. In this activity, learners take part in an online simulation of Endler's work.
Feeling Pressured
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In this activity, learners (at least three) work together to explore the effects of atmospheric pressure.
Mix and Match
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In this optics activity, learners explore color by examining color dots through colored water and the light of a flashlight.
The Bent Pencil
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In this optics activity, learners explore how light bends and affects what we see.
DNA Detective
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This activity is about collecting and analyzing DNA as part of a criminal investigation.
Why Are Bubbles So Colorful?
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In this activity, learners explore why they can see colors in bubbles and why they change.
Mirror, Mirror on the Wall: Angles of Reflection
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In this optics activity, learners work in pairs to explore how mirrors work. Learners use tape to mark the angles needed to see each other's reflection in a wall mirror.