Across
- 4. a person who studies the natural world by making observations and doing experiments
- 7. using science to invent new things or to solve problems
- 8. a prehistoric period of time when people made tools, weapons and other objects from stone
- 9. people who get their food by hunting animals and gathering plants
- 10. a roof covering straw or reeds
- 11. the long period of low temperatures when thick ice covered much of the earth
- 15. a tool with a blade for cutting down trees or chopping wood
- 16. pieces of wood floating on the sea or carried by waves onto the shore
- 18. objects made from baked to become hard
- 19. a person who studies past human life, by looking at objects and other evidence.
- 21. people who move from one place to another instead of settling in one place
- 23. woven or knitted cloth
- 24. what something is made of
- 25. exchange one thing for something else
Down
- 1. a large farming tool used to cut through soil
- 2. something where people can use
- 3. a place where people live and make a community
- 5. something important that happens
- 6. a time in the past before people could write
- 8. a place that gives protection from bad weather or danger
- 12. cut to form large ‘steps’ in a hillside
- 13. a black material used for drawing and as fuel for fires
- 14. to teach to live and work with human beings
- 17. a layer of grass and soil held together by grass and plant roots
- 20. a barrier build across a river to hold back water
- 22. one hundred years
- 23. a way of showing events in order of when they happened