Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

In this fun activity, frozen cubes of paint provide your preschooler with a cool new way to paint a masterpiece.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

This science fair project investigates why the number of visible stars changes from place to place.

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

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

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

In this project students experiment with making music using only glasses of water.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

In this science fair project, students evaluate the alleged pain-relieving properties of amber.

This fascinating science fair project explores eye color genotypes.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

Research fruits and their ripening stages, follow and document the different stages. Analyze what causes fruit to continue ripening after being picked.

Science fair project that determines which types of clouds are best at blocking harmful UV radiation.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

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

This project will explore whether music influences physical endurance.