How do organic materials become soil? This science experiment measures what materials biodegrade.

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

Engineers in training can get started with this simple wheel-and-axle construction activity.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

This science fair project idea investigates which objects float and sink in honey, water, and oil.

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

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

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.

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.

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

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.

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.

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

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

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 classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

This activity is a great way to teach kids that, to find examples of science in action, they donât need to look any further than their own backyard.