Across
1
Unit of energy
4
Disturbance that transfers energy
5
Mass per unit volume
7
Measure of matter in an object
Down
2
Infectious microscopic agent
3
Biological catalyst
6
Chemical element in table salt
8
Blocking of light by a celestial body
Unit of energy
Disturbance that transfers energy
Mass per unit volume
Measure of matter in an object
Infectious microscopic agent
Biological catalyst
Chemical element in table salt
Blocking of light by a celestial body