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Pop Bottle Whirligig
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Learn about friction and kinetic energy with this cool spinning toy.

Pedal Power
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In this engineering activity, learners examine bicycle mechanics and gear ratios. Learners determine which gears will help them bike a set course in the shortest amount of time.

Trash Traits
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In this activity on page 24, learners perform experiments to examine whether or not trash can float, blow around, or wash away.

Rocket Pinwheel
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This is an activity about motion, power, air and Newton’s Third Law of Motion, which states that for every action there is an equal and opposite reaction.

Pop! Rocket Launcher
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In this activity, learners construct a simple air pressure launcher for paper rockets.

Weather Vane
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In this meteorology activity, learners build weather vanes using straws, paperclips, and cardstock.

Soda Geyser
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In this quick activity (page 1 of PDF under SciGirls Activity: Lift Off), learners will use the ever-popular soda geyser experiment to test the reactivity of the various sugar candies or mints.
River Catcher
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In this activity (located at the top of the page), learners make an easy river strainer and see what they can catch.

Rubber Band Racer
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In this activity, learners construct speedy vehicles made out of paper plates and powered by twisted rubber bands.

Weather Forecasting
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This activity (on page 2 of the PDF under SciGirls Activity: Forecasting) is a full inquiry investigation into meteorology and forecasting.

Roller Coaster Design
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This activity (on page 3 of the PDF under GPS: Roller Coaster Design Activity) is a full inquiry investigation into g-force and acceleration.

Crazy About Kites
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In this activity, learners build a kite out of paper, change it, and try to make it fly even better. With their new knowledge of kite making, students can then go on to create their own kite designs.

Building Tetrahedral Kites
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Working in teams of four, learners build tetrahedral kites following specific instructions and using specific materials.

Best Bubbles
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In this activity, learners experiment with creating various types of bubble solutions and testing which ingredients form longer-lasting bubbles.

Free-Fall Bottles & Tubes
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In this physics activity, learners conduct two experiments to explore free-falling.

Sled Kite
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In this activity, learners build a sled kite that models a type of airfoil called a parawing.

Gravity Fountains
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This activity (located on page 3 of the PDF under GPS: Glaciers Activity) is a full inquiry investigation into the forces of gravity and air pressure.
Up, Up and Away with Bottles
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In this activity, learners make water rockets to explore Newton's Third Law of Motion. Learners make the rockets out of plastic bottles and use a bicycle pump to pump them with air.

Heart of the Matter
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In this activity, learners explore the concept of valve operation and how engineers have adapted valves for use in mechanical heart valve design.

The Shadow Knows I
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In this activity, learners will measure the length of their shadow from the Sun and compare it three to four months later.