| A | B |
|---|
| chimpanzee | An animal that is like humans |
| sun | What gives us heat and light |
| planets | The Earth is one of these |
| moon | This goes round the Earth |
| asteroid | A piece of rock that moves around space |
| comet | An object in space that moves around the sun with a very long tail |
| spine | A sharp object that some animals have for protection |
| sleep | What we do when we are tired |
| dream | Pictures in our brains when we are asleep |
| tranquilizer | A drug used to make someone go to sleep |
