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Investigating Convection
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This experiment is designed to illustrate how fluids, including water, have the ability to flow.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-871.jpg?itok=HrqxX34z)
Sliding and Stuttering
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Learners use a spring scale to drag an object such as a ceramic coffee cup along a table top or the floor.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-149.jpg?itok=aVXlYvt5)
Breathing Blue
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In this activity, learners test exhaled breath for carbon dioxide and learn how to use an indicator as a simple way to measure pH.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-865.jpg?itok=c2zrrYcB)
Onion DNA Extraction
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This laboratory exercise is designed to show learners how DNA can easily be extracted from onion cells using simple materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-839.png?itok=9EgdviNS)
Chemical Identification
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In this activity, learners discover how a cabbage juice indicator helps identify acids and bases, and how iodine indicates the presence of starch.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-977.png?itok=2mOjwxWb)
Disappearing Colors
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In this challenge, learners figure out how to make a juice stain disappear.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-225.png?itok=LUG3bg7I)
Moisture Makers
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In this outdoor activity, learners compare the moisture released from different kinds of leaves and from different parts of the same leaf, by observing the color change of cobalt chloride paper.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-687.jpg?itok=5S3bGhZ9)
Wind Turbine Blade Design
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In this activity, learners design, build and test wind turbines. Learners go through the design process and use the scientific method to test important blade variables.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-494.jpg?itok=xAEO4f8H)
Gluep
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In this chemistry activity, learners make a slimy non-Newtonian fluid called "Gluep." Use this activity to introduce learners to polymers and viscosity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-406.png?itok=IP6ZXnlu)
The Colors of Flowers
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In this activity, learners perform an experiment to find out what determines a flower's color.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-899.jpg?itok=QyqVFgK5)
Fun with Bernoulli
Learners conduct four simple experiments to demonstrate the effects of air pressure.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-641.jpg?itok=IWb2FOXp)
Light and Sound
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In this four-part activity, learners explore light and sound through a variety of hands-on investigations.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-446.jpg?itok=hdWLS4JH)
Sunny Day Painting
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In this activity, learners explore properties of water and watch evaporation happen by "painting" with water in the sun.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-552.jpg?itok=kYSXsmk-)
Separating a Mixture
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This activity was designed for blind learners, but all types of learners can explore means of physically separating a mixture using dissolving, filtration, and evaporation.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-406.jpg?itok=3jlTM7WY)
Mirror-Tracing
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This mirror-tracing activity related to proprioception is a visual and motor test that involves learning a new motor skill.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-027.jpg?itok=WCjzeJSo)
Release the Grease!
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In this simple activity (on page 7 of the PDF), learners use water and liquid dish detergent to see which one removes lipstick better from an index card.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-546.png?itok=p1E6eqoH)
Air-filled (Pneumatic) Bone Experiments
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Just like birds, some dinosaurs had air-filled (pneumatic) bones, which made the dinosaurs' skeletons lighter.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-769.jpg?itok=N74UqfZ-)
Tug-of-War
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This activity (on page 2 of the PDF under SciGirls Activity: Tug O' War) is a full inquiry investigation into tug-of-war physics. Groups of learners will test two tug-of-war strategies.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-872.jpg?itok=mBKhSo_v)
Wet Pennies
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Learners initially test to see how many drops of liquid (water, rubbing alcohol, and vegetable oil) can fit on a penny.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-268.jpg?itok=TLx3fUdZ)
Using Chemical Change to Identify an Unknown
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In this activity, learners will develop a method to test five similar-looking powders (baking soda, baking powder, cream of tartar, detergent, and cornstarch) with four test liquids (water, vinegar, i