This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

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

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

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

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

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

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.

Find out whether packaged seeds actually do expire in this new science fair project idea.

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

This science fair project idea produces varying pitches of sound.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

This project examines whether playing music during class helps students learn or if it distracts students from learning.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This science fair project investigates why the number of visible stars changes from place to place.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

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

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

In this science fair project, students create their own miniature salt flats at home.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

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