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The objective of this experiment is to evaluate whether funny advertisements are more or less effective than serious advertisements.

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

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

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

The objective of this sociologically-inclined experiment is to evaluate whether kids' toy preferences are hardwired or develop as they grow.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This science fair project evaluates if and how eating a large meal affects ability to perform mental tasks.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

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

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

This project explores whether similar type movie scenes are accompanied by music with similar characteristics.

This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

This science fair project idea studies whether a religious sleeping schedule relates to a higher IQ.

Are red apples really sweeter than green apples? The objective of this science fair project is to test the theory with quantitative evidence.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.