This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

This science fair project idea determines the most effective method of preserving food.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Find out which kind of bubble wrap fares best when put in impact.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

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

This project examines whether people's taste perception is influenced by what they see.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

What happens when colored beams of light mix? You might be surprised.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

In this design challenge, your child will create a parachute for a small toy using typical household items.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

In this fun activity, your child will create their very own solar oven to bake s'mores!

Will the shape of an ice cube impact how fast the ice melts?

Find out whether a longer airplane will fly farther or a wider paper airplane.