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

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!

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.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

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

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

In this project students experiment with making music using only glasses of water.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Make a backbone model to explore human anatomy and life science.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

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

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Science fair project that examines condensation and the conditions needed in order for dew to form.

This science fair project idea investigates how magnetism can defy the force of gravity.

This science fair project idea explores substances that cause a bubble to last longer.

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

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

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

This science fair project idea explores how length affects the weight a bridge can hold.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Do different types of oil mix or stack? Find out in this science fair project idea!

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

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.