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Grade 2 · Physics

Grade 2 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: a thick book or clear window glass?

    1. clear window glass
    2. a thick book

  2. Which one makes its own light: a firefly or the Moon?

    1. the Moon
    2. a firefly

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

    1. a brick wall
    2. clear window glass

  4. Which one lets light pass through so you can see clearly through it: clean water in a glass or a wooden door?

    1. clean water in a glass
    2. a wooden door

  5. Which one lets light pass through so you can see clearly through it: clear window glass or a cardboard box?

    1. a cardboard box
    2. clear window glass

  6. Which one lets light pass through so you can see clearly through it: clear plastic wrap or a cardboard box?

    1. clear plastic wrap
    2. a cardboard box

  7. Which one makes its own light: a flashlight that is on or the Moon?

    1. a flashlight that is on
    2. the Moon

  8. Which one lets light pass through so you can see clearly through it: clear window glass or a wooden door?

    1. a wooden door
    2. clear window glass

  9. Which one lets light pass through so you can see clearly through it: a brick wall or clean water in a glass?

    1. clean water in a glass
    2. a brick wall

  10. Which one makes its own light: the Sun or a bicycle reflector?

    1. the Sun
    2. a bicycle reflector

  11. Which material usually lets you see a clear image through it?

    1. Thick cardboard
    2. Clear window glass
    3. A wooden board

  12. Which one makes its own light: a lamp that is switched on or a mirror?

    1. a lamp that is switched on
    2. a mirror

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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