8A, 8B, 8D, 8E, 8G, 8H, 8J, 8K
Across
- 3. A mixture made from a metal and other elements to improve properties
- 7. Movement of dissolved food molecules through the wall of the small intestine into the blood
- 8. Bending of light as it passes from one material to another
- 10. An organism that breaks down dead plants and animals
- 13. Transfer of pollen from the male part of a flower to the female part
- 14. A reaction where a substance burns in oxygen releasing heat and light
- 15. Joining of male and female reproductive cells
Down
- 1. The process of breaking food into smaller soluble molecules
- 2. Tiny single-celled living things that can exist almost everywhere
- 4. diet Eating the correct proportions of different food groups for good health
- 5. A substance in food needed for energy, growth, and repair
- 6. The rate at which energy is transferred or work is done
- 9. Slow damage to a metal caused by chemical reactions with the environment
- 11. A reaction where oxygen combines with another substance
- 12. rock Material formed when molten material cools and solidifies