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You will hear part of a scientific television programme for young people in which the speaker explains what 'meteors' are.  For questions 1-10, complete the sentences with a word or short phrase.

 

'Meteors' is another name for (1) .

To help explain meteors, planet Earth is compared to a (2) .

You can think of meteors as a group of (3) .

In reality, meteors are very small chunks of (4) .

The circular path the Earth travels around the Sun is called its (5) .

When Earth comes close to a meteor, the meteor is pulled (6) by gravity.

A meteor travels very fast - a hundred times faster than (7) .

Due to the speed it travels through the air, the meteor becomes (8) .

Because of the heat, the meteor becomes less hard, (9) and then burns.

We are lucky that most meteors burn up and never (10) .