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This science experiment tests whether warm or cold water works best in making cut flowers last longer.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

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 explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

This science fair project teaches students about wilting and browning of salad greens.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

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

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

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

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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

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

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

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Find out whether a longer airplane will fly farther or a wider paper airplane.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

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

In this science fair project, students make their own rain gauge to measure rainfall.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

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

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.