Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

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.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

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.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

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.

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 basketball project explores the best way to make the perfect shot every time.

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

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

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

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

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.

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.

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

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.

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.