ES4- Unit 7 Lesson 1- Light Sources

Which is the natural light?

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Which is the man-made light?

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The light from​ (a)   is natural light.

• star
• candles
• torch

The light from​ ​ (a)   is man-made light.

• sun
• star
• the lamp

The light from lightning is​ (a)   .

• natural light
• man-made light

The light from burning wood is​ ​ (a)   .

• man-made light
• natural light

The light from light bulbs is​ ​ (a)   .

• man-made light
• natural light

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Groups:

(a) Natural light

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(b) Man-made light

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