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BS 4I3 energy: Light and sound

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  • The energy that we can see is called ___-
    sound
    light
    electricity
  • ............... means to move back and forth very fast.
    vibrate
    sound
  • What is shadow?
    something that can cause change or do work
    forms when something blocks the light.
    energy that makes lamps and other things work
  • Label the picture
    sound
  • True/False: A shadow is made when something blocks the light.
    True
  • Label the picture
    tuba
  • Read and choose True/ False: Cars use gasoline for fuel.
    True
  • Fireflies can make their own light. – true / false
    true
  • Look at the picture. How can you make sound using the guitar?
    You can pluck the guitar strings. You hear the sound when the strings vibrate
  • A toy car gets power from .............
    water
    batteries
    fuel
  • The moon can make its own light. – True / False
    False
  • The energy that we can hear is called ___
    sound
    electricity
    light
  • Thin paper blocks all light. – true / false
    false
  • Light bounces off objects that are rough. – true / false
    false
  • What are three things that can make light?
    Possible answers: candle, sun, star, (lamp, fireworks, firefly,...)
  • True/False: The engine of a car burns the gasoline so that the car can move.
    True
  • Why do people make shadow?
    Light cannot pass through people.
  • Look at the picture. Use what you know about light to tell how the man can see himself in the mirror.
    The man can see himself because light bounces off objects that are smoothly and shiny.