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Materials prism
crayons
pencil
flashlight
black paper click here to download worksheet Procedure 1 *This requires a dark room and a strong light
1. Cut a slit in a piece of black paper about 5cm long. Shine lamp through to ensure you get a narrow beam of light.
2. Position the prism on its side. Move it so the beam of light shines on it.
3. Record observations. Draw the results on a piece of paper
Procedure 2 * You will need: a mirror, crayons, paper, a shallow dish, small amount of plasticine, a jar of water, and a flashlight
*This requires a dark room and a strong light
1. Half fill the dish with water.
2. Put the mirror in the dish so that it slopes back. Use plasticine to attach the mirror.
3. Hold the torch near the dish. Shine the light on the part of the mirror under the water.
4. Hold the piece of paper above the torch. What happens? Procedure 3 1. Fill a jar with water.
2. Cut a small slit into a piece of black paper. Tape the paper around half of the jar and so the slit is against the table.
3. Allow the sunlight or strong light source shine through the jar. Turn the jar till a rainbow comes through the slit.
4. Record results on the worksheet. Assessment:
Students will each complete a lab report paper.
Students will each complete a picture of the rainbow formed from the prism.
Students will each list the colors of the rainbow in order on the drawing.
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