These are some research topics that you can read about on the internet in a short time.

• What type of light can humans see? How many colors of light can humans see?
• What type of light can damage living things? Why is it harmful?
• Is light affected by gravity? How do we know?
• Does light have mass? How do we know?
• What are some different science words for light?
• Tell us about radio waves, and what do radio waves have to do with light?
• Does light have momentum? How do we know?
• What is a light sail?
• What is the Doppler effect, and how does Doppler effect work with light?
• What are gamma rays? Where do gamma rays come from?
• Why do astronomers build telescopes to see different types of light, such as infrared or ultraviolet light?
• All of the colors mixed makes white light. All of the paints mixed together makes dark colored paint. Why is this?
• What is light intensity?
• How fast does light travel? Why does this matter?
• What can we learn about a distant star by looking at its light?
• What happens with infrared and visible light in the greenhouse effect?
• What types of light does our sun emit? What types does it emit the most of? By comparison, what types does the earth emit?
• How do astronomers use light to look into the past? What is a light year?
• How is light used to search for extraterrestrial life?
• How do rainbows work?
• How do sunrise and sunset cause the different sky colors?
• How do solar panels work?
• What happens if you travel almost as fast as light?