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Effects of Solar Radiation on Land and Sea
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In this activity, learners explore the different heating properties of soil and water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-313.jpg?itok=zUbw3jA4)
DNA Fingerprinting
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In this forensics activity, learners solve a mystery using “DNA” taken from the scene of the crime.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-028.png?itok=ukXipibM)
Disappearing Statues
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In this activity (on page 8), learners model how marble statues and buildings are affected by acid rain.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-772.jpg?itok=027AjPpw)
Twirling Rope Frequency
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In this activity (page 1 of the PDF under SciGirls Activity: Double Dutch), learners will stand twelve feet apart swinging a rope at the slowest tempo possible while someone uses a stopwatch to record
The Water (Hydrologic) Cycle: Transpiration
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In this lab, learners grow broad bean (also called fava bean) plants in three EarthBoxes for a few weeks before exposing one to wind (using a fan), another to heat (using a lamp), and the third to not
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-883.png?itok=-9aahLXL)
How Do We Convert Electrical Energy into Mechanical Energy?
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In this activity, learners make an electromagnet motor to demonstrate the most basic method of changing electrical energy into mechanical energy.
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Using Solar Energy
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In this activity, learners discover how solar energy can be used to heat water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-352.png?itok=1hMMvVTT)
A Degrading Experience
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In this activity on page 27, learners perform an experiment to learn about how different types of marine debris degrade and how weather and sunlight affect the rate of degradation.
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Newton Car
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In this activity, learners work in teams to investigate the relationship between mass, acceleration, and force as described in Newton's second law of motion.
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Sniffing for a Billionth
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This is an activity (located on page 4 of the PDF under What's Nano? Activity) about size and scale.
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Hanging Around
Learners investigate weight by building a spring scale. They observe and record how it responds to objects with different masses.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-385.png?itok=HH5FZlIv)
Lighting Up Celery Stalks
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In this activity, learners conduct a series of hands-on experiments that demonstrate how the working of plants' veins, known as capillary action, enables water to travel throughout the length of a pla
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Submersibles and Marshmallows
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In this activity, learners discover the difficulty of ocean exploration by human beings as they investigate water pressure.
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Mold Terrarium: What Grows on Leftover Food?
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This activity shows you how to make a mold terrarium using a jar and leftover food.
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Neutralizing Acids and Bases
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Learners use their knowledge of color changes with red cabbage indicator to neutralize an acidic solution with a base and then neutralize a basic solution with an acid.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-270.jpg?itok=HeBVtNVQ)
A Dissolving Challenge
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In this activity, learners add objects and substances to carbonated water to discover that added objects increase the rate at which dissolved gas comes out of solution.
How Does Water Climb a Tree?
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In this activity, learners conduct an experiment to explore how water flows up from a tree's roots to its leafy crown.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-026.png?itok=VvNGp80V)
Wash This Way
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In this activity on page 4 of the PDF, learners investigate the importance of washing their hands.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-611.jpg?itok=nDKIhSrT)
Animal Scent
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This activity (on page 3 of the PDF under GPS: Animal Scent Activity) is a full inquiry investigation into animal behavior.