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This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

Explore if planting seeds in a certain direction will affect how fast it germinates.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

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

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

This science fair project idea experiments with spinning color wheels and optical illusions.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Slip some science into storm watching with a homemade rain gauge!

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.