Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

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

Help your child create a garden journal sketchbook as she observes and records the natural world through the changing seasons.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Let your young adventurer go bug hunting in the great outdoors with their very own bug net!

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!

This project determines what category of person is most likely to be ticklish.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

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

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This science fair project idea explores whether talking to a plant will help it grow.

Put those fall leaves to use with this fun art activity. Kids paint and print leaves, to make a beautiful tablecloth, perfect for your next fall celebration.