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Artificial light, like candles and lightbulbs,

are made by people.

Natural light, like the sun and the northern lights, occur in nature, and aren't made by people.

Light passes through transparent materials. You can see through them clearly.

Some light passes through translucent materials. You can see through them, but not clearly.

No light passes through opaque materials. You cant't see through them at all.

Let's review the properties of light:

Light can come from artificial or natural sources.

Light travels in straight lines.

Light can be reflected or absorbed.

Ours eyes see light.

Light is made of colours

Materials can be classified as transparent, translucent, or opaque.

Light can be refracted.

Those are the...

Properties of Light

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