A crystal of sugar can break into many pieces and grow in size if kept in a saturated solution. Is crystal a living thing?

Science Quiz/Puzzle: 

Across
2. Waste expelled by kidneys as urine.
4. Organisms that feed on plants or other organisms.
6. Movement from one place to another shown by animals.
7. The basic unit of structure and function of organisms.

Down
1. They make their own food.
3. Reaction of organisms to some external change.
5. A change that evokes a response in organisms.