Across
- 4. To do or … an experiment
- 5. An achievement that comes after a lot of hard work
- 7. Someone who is used in an experiment is called a ... pig
- 8. Very light rain
- 10. Based on situations or ideas that are possible and imagined rather than real and true
- 12. A doctor
- 13. A clinical … is test of a new medicine that involves giving it to people
Down
- 1. Money that a government or organization provides for a specific purpose
- 2. Trial and … is a way of finding a good method that involves trying several possibilities and learning from your mistakes
- 3. A period of ten years
- 4. Cold enough to be unpleasant
- 6. To do or … a test
- 8. The process of learning something that was not known before
- 9. The chemical element Pb
- 11. Rain that freezes in the sky