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

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This science fair project idea investigates whether plants can survive being frozen.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Discover whether cold or hot water from the faucet will boil faster on the stove.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

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

Learn whether writing things down really makes things easier to remember.

This science fair project idea explores the different properties & interactions of sugar molecules.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

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

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

In this science fair project, students create their own miniature salt flats at home.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

In this design challenge, your child will create a parachute for a small toy using typical household items.

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

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

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

Have your child kick off their summer vacation by making a miniature water slide!

Find out whether a longer airplane will fly farther or a wider paper airplane.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.