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Creepy Crawlers
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Trick your family and friends with this creepy crawler that moves up and down. In this activity, learners construct a circuit and motor device that will move a homemade spider in a spooky way.

Bubble Tray
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In this activity, learners use simple materials to create giant bubbles.

What Goes Up...
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In this activity about gravity (page eight of the pdf), learners will very simply explore how gravity affects objects using balls and toys.

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

Engineering Parachutes
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In this activity, learners will become an engineer by designing and engineering a miniature parachute.

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.

How to Learn Basic Shapes by Making a Shape Mobile
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In this activity, caregivers and young learners work together to craft and talk about shapes and relative positions of such shapes by creating a mobile.

Helicopter Twirl
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Learners cut and fold a paper helicopter from the template in this PDF. They practice twirling the helicopter and observe what happens as they modify their tries.

Polymers are Chains (K-2)
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In this activity, learners make a paper model of a polymer, then make Silly Putty, an actual polymer.

Animal House
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The goal of this activity is to design, build and test a house or toy for an animal.

Make a Garbage Bag Kite
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Make a kite out of a garbage bag, shower curtain, painting tarp--anything light, thin, flexible and plastic!

Waterless Snow Globe
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In this activity, learners will investigate static electricity as they create waterless snow globes.

Brick Drop Challenge
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In this design challenge, leaners attempt to build a strong structure out of LEGO® bricks that can withstand a 4-foot drop.

Make a Museum Collection at Home
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In this activity, learners will create their own museum collection using their favorite toys, drawings, or collection.

Set It Straight
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In this activity, learners build a simple tabletop seesaw to test how different variables (the position of the fulcrum, distance, weight) affect its balance under increasing weight loads.

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.

Parabola Basketball
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In this activity, learners build mini-basketball courts and explore the laws of physics. Learners discover that everything you throw or shoot on earth travels in a parabola.

Dr. Vet: Noses, Ears, Legs and Eyes
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In this activity, learners practice counting and multiplication as they figure out how many animal body parts they have to examine as "Dr. Vet."

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

Hoop Glider
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In this activity, learners engineer a flying glider using paper hoops and a drinking straw.