Across
- 4. someone who is trained in science, especially someone whose job is to do scientific research
- 6. a square piece of wood
- 8. a machine, tool, or system that someone has made, designed, or thought of for the first time
- 10. a set of lines, shapes, or colours that are repeated regularly
- 12. the thin flat substance that you use for writing on or wrapping things in
Down
- 1. a piece of equipment used for finding your way, with a needle that always points north
- 2. a substance that is used for causing explosions or for making fireworks
- 3. thin smooth cloth made from the fibres produced by an insect called a silkworm
- 5. the process of making books, newspapers etc, using a printing press to put words and pictures onto paper
- 7. to design or create something such as a machine or process that did not exist before
- 9. someone who works on a boat or ship
- 11. the brightly burning gas that you see coming from a fire