This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project examines how seeds hitchhike on animals and clothing.

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

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

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

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

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Construct and experiment with a periscope using reflected light rays to gather an image.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

This science fair project idea examines the reason boats are shaped and engineered.

Take a dive into the candy jar with this yummy science experiment.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

This science research project challenges students to think of more effective lobster farming methods.

This science project allows students to study the psychology of happiness.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Determine if gender affects the ability to identify different smells.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Start your toy engines -- this is going to be a fast and friction-filled race!