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This science fair project idea produces varying pitches of sound.

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

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

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

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

This science fair project idea explores whether talking to a plant will help it grow.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This science fair project idea explores whether white light can be separated into different colors.

Discover how and which salt melts ice the quickest.

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

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

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

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

This science project allows students to study the psychology of happiness.

This science research project challenges students to think of more effective lobster farming methods.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.