examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

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.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

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!

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

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

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

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.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Create a bee garden to help shelter bees in your area.

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?

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

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

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!