You will need the following:
A clear glass jar with a wide mouth
A mirror (small enough to fit in glass)
A flashlight
A room with white walls
First, fill the glass with water. Then, carefully place the small mirror into the glass jar, at an angle.
Next, turn the lights off so that you will able to see the rainbow better.
Last, aim the flashlight toward the mirror in the jar. Change the angle of light from the flashlight or change the angle of the mirror until you can see the rainbow on the wall or ceiling.
What colours do you see?
Explanation:The mirror reflects light as it passes through the water, traveling at an angle. The water refracts (or bends) the light. As light bends, it separates into the colours of the rainbow, which are red, orange, yellow, green, blue, and violet.
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