What is a prism?
What are the 7 colors that make up the visible spectrum? Please put them in the correct order.
Why are we able to see a rainbow after it rains?
Fill in the blank.
When light hits an object, some of the light can be _________________ or soaked up by the object.
The article explains how our eyes see a yellow lemon. Explain how we are able to see a red apple.
Why do some objects appear black?