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

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

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

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

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

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

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

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

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

This project examines what types of objects burn and which burn faster and cleaner.

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 project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

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

This project explores ways to prevent static electrical shocks.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

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

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

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

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 builds models of various types of bridges and then determines which bridge design is the strongest.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

This science fair project idea determines what household items are good conductors of electricity.

Examine the effect of pressure on carbonation in soda.

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

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Have your child kick off their summer vacation by making a miniature water slide!

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.