What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

This science fair project idea investigates if fats add to the flavor of food.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

This science fair project teaches students the differences between fruits and vegetables.

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.

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.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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.

Plants and light seem to be good buddies, but how far does the friendship really go?

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

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

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

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.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

The objective of this science project is to determine the length of time for different seeds to germinate.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

This science fair project teaches students about wilting and browning of salad greens.