Chain Crosswords Long Nature Hard — Set 3

Hard 15×15 Set 3
1
2
3
4
5
6
7
8
9
10
11
12
Across
  1. 2. A word related to science
  2. 3. Force attracting objects to Earth
  3. 6. Device for controlled nuclear reactions
  4. 8. A word related to science
  5. 10. Naturally occurring inorganic solid
  6. 11. Diffusion of water through a membrane
  7. 12. One body blocking another in space
Down
  1. 1. A word related to science
  2. 4. A word related to science
  3. 5. Group of similar living organisms
  4. 7. Wearing away of land by water or wind
  5. 9. Fourth state of matter