In this experiment you will replicate the mummification process by making a hot dog mummy.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

This science fair project idea investigates if fats add to the flavor of food.

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

In this project children practice the scientific method while playing with puffy paint.

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.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This science fair project idea demonstrates that plants give off water.

This science fair project teaches students the differences between fruits and vegetables.

Test whether plants can grow without sunlight and water.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

This science fair project idea investigates how magnetism can defy the force of gravity.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

This science experiment has students test whether a snail moves faster on concrete or dirt.

This project examines whether people's taste perception is influenced by what they see.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

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

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Do different types of oil mix or stack? Find out in this science fair project idea!

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.