This science fair project idea produces sounds by creating vibrations using different objects.

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

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

This science experiment has students test whether a snail moves faster on concrete or dirt.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This project examines what types of objects burn and which burn faster and cleaner.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

This classic children's game demonstrates how sound travels through air vs. through a solid.

This project determines what category of person is most likely to be ticklish.

Hunt for natureâs treasure, the many different products made by trees!

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

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

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

Your kindergartener will have a blast helping you craft these fun, eco-friendly potted place cards.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

This science fair project idea explores how length affects the weight a bridge can hold.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

This basketball project explores the best way to make the perfect shot every time.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.