Science recap
Across
- 2. this type of radiation has a charge of -1. It can get through paper but is stopped by a few mm of Aluminium
- 4. the word used when a gas turns into a liquid
- 8. this particle has no charge and is found in the nucleus
- 9. this is found in animal and plant cells. It contains the DNA and controls the cell
- 10. this is a type of cell division that forms gametes (sperm and egg cells)
- 11. to calculate the density of an object you do the mass divided by the...
- 13. this type of radiation is a wave. It is only really reduced by thick lead
- 15. this part of a plant takes in the water needed for photosynthesis
- 17. the word used when a liquid turns into a gas
- 18. this is only found in plant cells - they contain lots of chlorophyll
- 19. this gas is taken in by the plants during photosynthesis - carbon _ _ _ _ _ _ _
- 20. this type of blood cells fights against disease and infection
Down
- 1. this particle has a positive charge and is found in the nucleus
- 3. this was the first sub-atomic particle discovered by JJ Thomson. It has a negative charge
- 5. this is a type of cell division which produces two identical copies of the cell
- 6. this type of blood cell carries oxygen round the body
- 7. the word used when a liquid turns into a solid
- 10. this is found in animal and plant cells - it is the cell _ _ _ _ _ _ _ _
- 12. this type of radiation has a charge of +2. It is easily stopped by paper or skin
- 14. the word used when a solid turns into a liquid
- 16. photosynthesis produces glucose and this gas
- 21. if an element has the same number of protons but a different number of neutrons it is called an...