This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

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

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

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

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Challenge your learner to design and build a city of their own in this creative engineering activity.

Help your child learn about animal classification with this fun and delicious activity.

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

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

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

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

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

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

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

This science fair project idea experiments with spinning color wheels and optical illusions.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

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