This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

This science fair project idea explores substances that cause a bubble to last longer.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

This science fair project idea explores whether white light can be separated into different colors.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

In this design challenge, your child will make a bottle rocket using typical household items.

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.

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

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

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.

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.

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

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

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.

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

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

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.