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This project compares the strength of one, two, and three-ply toilet paper.

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 science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

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!

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

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.

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

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

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

How powerful is the reaction between baking soda and vinegar? Find out here!

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

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

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

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

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

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.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

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.

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

Do you think heat can affect a plant's growth rate?

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.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!