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

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.

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!

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.

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.

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

Embrace the spooky and creepy thrills of Halloween night with a nightlight that will do more to frighten than soothe.

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.

Introduce your fifth grader to the Kinara, part of the Kwanzaa tradition, by playing this fast-paced, two player game!

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

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.

Make some beautiful and unique candles to light your home.

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

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

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.