Welcome to... A Game of X’s and O’s

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1 What does absorb mean?

1 It means to “soak up” or take in depending on their colour. Home

2 What is an artificial light source? Give an example.

2 It is a light source created by humans. An example would be a candle.

3 What is a natural light source? Give an example.

3 It is a light source that is not created by people. An example would be the Sun.

4 Define opaque material.

4 A material that does not allow any light through.

5 What does reflect mean?

5 To cast light and bend it back in another direction, like a mirror.

6 What is a shadow?

6 If you place an opaque material in front of a light source, the light beam cannot bend around the object and an area of darkness-a shadow- is created.

7 What are translucent materials?

7 They are materials that allow some light to pass through. Clear images cannot be seen through the materials.

8 What does the word transmit mean?

8 To allow light to pass through space or medium (e.g. light passing through a coloured filter. )

9 What are transparent materials?

9 Materials that allow most light to pass through easily. Clear images can be seen through the materials.