Across
- 2. a remain of a prehistoric animal
- 3. evaporating water
- 5. a set of experiments or study into a particular subject
- 8. an app that helps you calculate data
- 10. the core of an atom
- 11. the force that keeps us on the ground
- 13. you can find it in the air you breathe
Down
- 1. the length of the line that creates a circle
- 4. a kind of online scheme that makes you reveal valuable data
- 6. an expression of a number smaller than one
- 7. a liquid getting through a hole
- 9. an Egyptian ruler
- 12. the opposite of power in maths