Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

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

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

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

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

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

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

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

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

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.