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In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Check out this fun high school science fair project idea to investigate how the cell membrane regulates what moves into and out of cells.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Dig into the physics of pool to explore some cool applied math and learn about what happens in an elastic collision of equal masses.

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

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

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

In this science fair project, students test how objects float and sink in liquids of different densities.

This science fair project idea investigates how the shape of an object affects drag.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

This project examines whether corked bats truly make a ball travel farther than wooden bats that haven't been altered.

Science fair project that uses distillation to convert salt water into fresh water.

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

This science fair project demonstrates the "power of conformity".

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

Compare the ignition rates of various types of flame-retardant materials.

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.