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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
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............... means to move back and forth very fast.
vibrate
sound
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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
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Label the picture
sound
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True/False: A shadow is made when something blocks the light.
True
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Label the picture
tuba
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Read and choose True/ False: Cars use gasoline for fuel.
True
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Fireflies can make their own light. – true / false
true
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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
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A toy car gets power from .............
water
batteries
fuel
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The moon can make its own light. – True / False
False
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The energy that we can hear is called ___
sound
electricity
light
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Thin paper blocks all light. – true / false
false
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Light bounces off objects that are rough. – true / false
false
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What are three things that can make light?
Possible answers: candle, sun, star, (lamp, fireworks, firefly,...)
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True/False: The engine of a car burns the gasoline so that the car can move.
True
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Why do people make shadow?
Light cannot pass through people.
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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.
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