What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Discover whether cold or hot water from the faucet will boil faster on the stove.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

This science fair project idea investigates the difference in reaction times between boys and girls.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

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

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

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Construct and experiment with a periscope using reflected light rays to gather an image.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Do different types of oil mix or stack? Find out in this science fair project idea!

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

This science fair project teaches students about wilting and browning of salad greens.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

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

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.