Across
- 4. The distance between the top of one wave and the next wave
- 5. Type of bond where pairs of electrons are shared
- 8. Positive particle found in atoms
- 9. A device used to see small objects in detail
- 10. Important organ affected by cardiovascular disease
- 11. Outer layer of an animal cell
- 14. An atom that has become charged
- 15. that kills bacteria
- 17. Found in the periodic table
- 18. The number of waves per second
- 20. The element that jewellery is made from
- 21. Negative particle found in atoms
- 22. Scientist who had a theory of evolution
- 23. Type of wave used to see bones
- 24. Type of radiation that can give you sunburn
- 25. In your stomach to kill bacteria
Down
- 1. Scientific word for speed and direction
- 2. Disease spread by dirty water
- 3. Type of bond where electrons move from one atom to another
- 6. Part of a cell where DNA is stored
- 7. Put into arteries to fix blockages
- 8. _______ Table - where all of the elements can be found
- 12. A bite from one of these can give you malaria
- 13. Neutral particle found in atoms
- 15. Scientific word for changing speed
- 16. Hydrocarbons are made of Hydrogen and...
- 19. Amylase is an example of this