Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Help your kindergarten science maven explore the water cycle without getting everything wet.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

Teach your child how butter is created by shaking up cream the old-fashioned way.

Create a bee garden to help shelter bees in your area.

In this project, the affects of vitamin E are observed on a rose petal.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

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

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

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

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

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

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

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