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.

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

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

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

Help your kindergarten science maven explore the water cycle without getting everything wet.

Help your child celebrate the summer and the sun by making a sandy seascape.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

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

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

In this science fair project, students use the streak test to tell minerals apart from each other.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Test whether plants can grow without sunlight and water.

This science fair project idea demonstrates that plants give off water.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Make a spring collage with your child to get them outside and those creative juices flowing!

Help your child make a beautiful homemade sandcastle that will last!

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

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

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.