Across
1
Blocking of light by a celestial body
5
Curved glass that refracts light
7
Tectonic landmass section
Down
2
Basic unit of life
3
The Red Planet
4
Chemical element in table salt
6
Unit of heredity
7
Positive particle in nucleus
Blocking of light by a celestial body
Curved glass that refracts light
Tectonic landmass section
Basic unit of life
The Red Planet
Chemical element in table salt
Unit of heredity
Positive particle in nucleus