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How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

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

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This science fair project idea examines the reason boats are shaped and engineered.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

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

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

This science fair project idea investigates how color affects temperature.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

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

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Find out whether packaged seeds actually do expire in this new science fair project idea.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

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

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

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

In this science fair project, students use the streak test to tell minerals apart from each other.

In this science fair project, students make their own rain gauge to measure rainfall.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.