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Grade 1 · Physics

Grade 1 Light & optics worksheet

12 questions on light & optics. The answer key is a separate download.

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What is on the worksheet

  1. Which one lets light pass through so you can see clearly through it: clear window glass or a metal pan?

    1. clear window glass
    2. a metal pan

  2. Which one makes its own light: a flashlight that is on or a shiny spoon?

    1. a flashlight that is on
    2. a shiny spoon

  3. What makes a shadow behind an opaque card?

    1. The card blocks some light.
    2. The card sends out darkness.
    3. The card removes gravity.

  4. Which one makes its own light: a mirror or a firefly?

    1. a firefly
    2. a mirror

  5. Which one makes its own light: a shiny spoon or a lamp that is switched on?

    1. a lamp that is switched on
    2. a shiny spoon

  6. Which one lets light pass through so you can see clearly through it: a thick book or clean water in a glass?

    1. clean water in a glass
    2. a thick book

  7. Which one lets light pass through so you can see clearly through it: a brick wall or clear window glass?

    1. clear window glass
    2. a brick wall

  8. Which one makes its own light: a white sheet of paper or a lamp that is switched on?

    1. a lamp that is switched on
    2. a white sheet of paper

  9. Which one makes its own light: a white sheet of paper or the Sun?

    1. a white sheet of paper
    2. the Sun

  10. How does light travel from a lamp?

    1. in straight lines
    2. only around corners
    3. only in circles

  11. Which one lets light pass through so you can see clearly through it: a thick book or clear window glass?

    1. clear window glass
    2. a thick book

  12. Which one makes its own light: a flashlight that is on or a bicycle reflector?

    1. a bicycle reflector
    2. a flashlight that is on

Teach or revise the skill first

These short guides explain the idea with worked examples. Read one together before the worksheet, then use the sheet as practice.

  • Light, seeing and shadows: Study guide for Grades 1 to 3: 4 key ideas, including seeing an object, shadow and materials; 2 worked examples and 3 practice questions. Follow light from a source to an object and understand blocked light.
  • Light and shadows: Study guide for Grades 1 to 4: 2 worked examples and 2 practice questions. Sort objects: does it make its own light? Does light pass through it (transparent) or is it blocked (opaque)?

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