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

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

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

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

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 demonstrates the principles of reflection through simple experiments involving mirrors and light.

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?

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

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

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the 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.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

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

This project tests the hypothesis that dark colors absorb more heat than light colors.

What happens when colored beams of light mix? You might be surprised.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!