SOUND AND LIGHT

WHICH OF THOSE SOURCES ARE CONSIDERED AS A NATURAL LIGHT?

• AURORA BOREAL

• A LANTERN

• THE SUNLIGHT

• THE TELEVISION

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HOW CAN WE CALL TO THE LIGHT THAT IT IS MADE BY THE HUMANS?

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All light passes through__________ materials.

• TRANSPARENT

• TRANSLUCENT

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___________materials block all light.

• Translucent

• Opaque

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Tick the opaque objects.

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Which of these sounds are natural ?

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How can we describe these sounds? Tick the correct answer.

• Natural

• Artificial

• Loud

• Low

We use light for communication.

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We use sound for fun.

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Look at the pictures and complete the words.

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