In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

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

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

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

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

Learn all about balance and motion as your child designs a corn maze!

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

This activity is a great way to teach kids that, to find examples of science in action, they donât need to look any further than their own backyard.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Test whether plants can grow without sunlight and water.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.