Movement and Refraction of Light Worksheet for 8-Year-Olds | Science Questions

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Instructions

Let's explore the amazing world of light! Read each question carefully and do your best to answer. Have fun being a light scientist!

Part 1: Objective Questions

A. True or False?

Read each sentence. If it's correct, write True. If it's not correct, write False.

  1. Light always travels in a perfectly straight line, no matter what. _______________
  2. A magnifying glass uses refraction to make things look bigger. _______________
  3. Refraction is when light bounces off something, like in a mirror. _______________
  4. Light travels at the same speed in air and in water. _______________
  5. Rainbows are made when sunlight bends through raindrops. _______________
B. Circle the Best Answer

For each question, choose the answer that makes the most sense.

  1. What do we call the bending of light?

    a) Reflection     b) Refraction     c) Shadow

  2. A pencil placed in a glass of water often looks:

    a) Broken or bent     b) Smaller     c) Invisible

  3. Which of these things helps people see better by refracting light?

    a) A hat     b) A scarf     c) Eyeglasses

  4. Light changes speed and bends when it goes from air into:

    a) More air     b) A vacuum     c) Glass

  5. What shape of glass can split white light into all the colors of the rainbow?

    a) A flat window     b) A prism     c) A black tile

  6. When you look down at a fish in a pond, it looks _________ than it really is.

    a) closer and higher up     b) farther and deeper     c) darker

  7. Refraction happens because light changes _________ when it enters a new material.

    a) color     b) speed     c) brightness

  8. Which of these is NOT an example of refraction?

    a) Your reflection in a mirror     b) A magnifying glass     c) A straw in a drink

  9. A camera _______ light to make a picture on a sensor.

    a) stops     b) bends     c) creates

  10. A lens that is thicker in the middle and thinner at the edges is called a:

    a) convex lens     b) concave lens     c) flat lens

C. Fill in the Blanks

Use the words in the word bank to complete the sentences.

slows down     lens     water     bends     refraction
  1. The scientific word for the bending of light is .
  2. Light when it travels from the air into a swimming pool.
  3. A camera uses a to focus light.
  4. When light enters glass or , it changes direction.
  5. A straw in a drink looks broken because the light from the straw .

Part 2: Subjective Questions

D. Think and Write!

Use your own words to answer these questions.

  1. Why does a straw in a glass of water look like it is bent or broken?
  2. Name two everyday objects that work because of refraction.
  3. What happens to light when it goes through a prism?
  4. Imagine you are a ray of light. Describe what happens to you when you go from the air into a swimming pool.
  5. Why might a person need to wear eyeglasses? How do they help?
E. Draw and Describe!
  1. Draw a picture of a flower in a vase full of water. Show how the stem might look bent under the water.
  2. Draw a simple rainbow in the sky. Label the sun and the raindrops that are causing the rainbow.
  3. Can light bend? Give one example.
  4. What is the main job of a lens (like in a magnifying glass)?
  5. If you shine a flashlight from the side of a clear fish tank, will the light beam be straight or bent?

Answer Key

Part 1: Objective Questions

A. True or False?
  1. False
  2. True
  3. False (That is reflection. Refraction is bending.)
  4. False
  5. True
B. Circle the Best Answer
  1. b) Refraction
  2. a) Broken or bent
  3. c) Eyeglasses
  4. c) Glass
  5. b) A prism
  6. a) closer and higher up
  7. b) speed
  8. a) Your reflection in a mirror
  9. b) bends
  10. a) convex lens
C. Fill in the Blanks
  1. refraction
  2. slows down
  3. lens
  4. water
  5. bends

Part 2: Subjective Questions (Example Answers)

D. Think and Write!
  1. The straw looks bent because the light coming from the part of the straw in the water bends when it leaves the water and enters the air to get to our eyes.
  2. Eyeglasses, magnifying glass, camera, microscope, telescope. (Any two)
  3. When light goes through a prism, it bends and splits up into all the colors of the rainbow (red, orange, yellow, green, blue, indigo, violet).
  4. When I go from the air into the pool, I slow down and bend. My path is no longer straight.
  5. A person might need eyeglasses because their eyes don't bend light correctly. Eyeglasses have lenses that bend the light just right so the person can see clearly.
E. Draw and Describe!
  1. Drawing should show a flower in a vase, with the stem appearing to be at a different angle below the waterline than it is above it.
  2. Drawing should show the sun on one side, a cloud with raindrops, and a rainbow arc on the other side. Lines of light can be shown going from the sun, through the raindrops, and forming the rainbow.
  3. Yes, light can bend. An example is a pencil in water looking bent, or light going through a lens.
  4. The main job of a lens is to bend light to make things look bigger, smaller, or to focus an image.
  5. The light beam will be bent as it enters the glass of the tank and then bent again as it enters the water.
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