Chain Crosswords Long Nature Easy — Set 2

Easy 11×11 Set 2
1
2
3
4
5
Across
  1. 2. Oscillation that carries energy
  2. 3. A word related to science
  3. 5. Curved glass that bends light
Down
  1. 1. Water falling from clouds
  2. 3. A word related to science
  3. 4. Unit of heredity on DNA