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.

Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?

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

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.

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

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

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

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

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

This science fair project idea produces varying pitches of sound.

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

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.

Place mushroom caps on poster board, label samples. Check beneath mushroom caps for "prints" of spores. Record and interpret prints left behind.

Explore the negative and positive consequences of stereotypes.

Determine which metal has the highest rate of conductivity.

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

Demonstrate the principle of jet propulsion in this science fair project by building a rocket from household materials.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

Study the effect of music on random rote memory. Examine the practical application of music in learning and education.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

This project examines germs and their spread in households. The goal is to learn how to stop the spread of germs and other diseases.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

Use natural materials to try out a new kind of weaving. Your child will enjoy gathering their materials outside and then using them to create a piece of art!