Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

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

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

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

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

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.

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

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

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.

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

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

This science fair project idea explores the egg's thin membrane.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

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

This science fair project idea investigates how color affects temperature.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

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

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Explore if planting seeds in a certain direction will affect how fast it germinates.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

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