Across
1
Particle of light
4
Unit of force
5
Center of an atom or cell
6
Path of a planet around the sun
8
Magnetic metallic element
Down
2
Natural satellite of Earth
3
Naturally occurring inorganic solid
7
Disturbance that transfers energy
Particle of light
Unit of force
Center of an atom or cell
Path of a planet around the sun
Magnetic metallic element
Natural satellite of Earth
Naturally occurring inorganic solid
Disturbance that transfers energy