In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Determine how wind speed affects the stability of a kite and the ease of getting it into the air.

This social science experiment assesses whether the timing of peak mental performance shifts from afternoon to morning as we age.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project idea explores whether the types and brands of faucet filters are relevant to their performance.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea explores the different properties of matter.

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Science fair project that explores the variety of webs that spiders weave and collect specimens for identification.

This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

Using a toy race car kids create a visual model of the Doppler Effect.

This project will explore whether people are emotionally susceptible to suggestions of both humor and sorrow.

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

An home science experiment for older students that teaches about the science behind heat.

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

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.

This science fair project idea investigates the difference in reaction times between boys and girls.

Science fair project that creates fog using bottles of hot and cold water.

This science fair project idea produces varying pitches of sound.