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

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

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

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

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

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

In this project children practice the scientific method while playing with puffy paint.

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

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

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

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

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

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

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

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

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

This science fair project idea investigates how the shape of an object affects drag.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science 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.

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

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This science fair project idea explores the egg's thin membrane.

Examine the effect of pressure on carbonation in soda.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

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.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.