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Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

Find out which kind of bubble wrap fares best when put in impact.

Teach your child about recycling and gardening as she re-uses an empty plastic milk gallon jug to craft a swan-shaped plant container!

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

How powerful is the reaction between baking soda and vinegar? Find out here!

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Children learn the six parts of a plant...but do they really understand? Try this plant-themed meal plan to bring school science into the home.

How much water comes out of snow? Explore this timely question with your kindergarten scientist with this easy winter experiment.

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

This experiment tests which gender is better at catching how a magician performs his tricks.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.