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

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

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

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.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

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

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

In this CD hovercraft science project, students will construct their own DIY hovercraft.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

This science fair project idea compares biodiversity between drops of water.

This science fair project will help students learn about non-vascular plants, such as mosses.

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

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

In this science project, the center of gravity is explored.

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

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Do different types of oil mix or stack? Find out in this science fair project idea!

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

This science fair project idea examines liquids of different densities.

This science project idea examines the effect of microwaving on various objects.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This science fair project idea investigates whether air has mass and weight.

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

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.