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

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

In this fun activity, your child will create their very own solar oven to bake s'mores!

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.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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

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.

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?

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.

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 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!