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

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

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

This science fair project idea explores whether white light can be separated into different colors.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Plants and light seem to be good buddies, but how far does the friendship really go?

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

This science fair project idea determines if the color of light affects the growth of plants.

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.

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

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

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

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

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

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

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

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

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

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.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

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

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

This science fair project idea investigates how color affects temperature.

This science fair project idea determines which method of hand cleansing is the most effective.