Across
- 1. A reaction using oxygen
- 5. Heat moving in a liquid or gas
- 6. A row in the periodic table
- 10. The male part of the flower
- 12. Found on the left hand side of the periodic table
- 18. Lack or excess of nutrients
- 19. This shows which metals are more reactive than others
- 23. Able to block light from passing through something
- 24. Variety of species
- 25. A protein that helps to speed up chemical reactions
- 26. A substance containing hydrogen and carbon only
- 27. Stops heat from moving through an object
Down
- 2. Mass divided by volume
- 3. A test for carbon dioxide
- 4. This part of the eye helps focuses light
- 7. Fizzing or bubbling
- 8. Gives blood cells its red colour
- 9. A nutrient that provides energy in the body
- 11. Another word for burning
- 13. Respiration using oxygen
- 14. Corrosion with iron only
- 15. Force divided by area
- 16. How much energy is used in a period of time
- 17. The force that allows something to float
- 20. The first group of the periodic table
- 21. The bending of light
- 22. Produced after fertilisation in plants