Across
1
The Red Planet
4
Unit of force
5
Path of a planet around the sun
7
Basic unit of life
Down
2
Curved glass that refracts light
3
Smallest unit of an element
6
Group of similar cells
8
Magnetic metallic element
9
Push or pull on an object
The Red Planet
Unit of force
Path of a planet around the sun
Basic unit of life
Curved glass that refracts light
Smallest unit of an element
Group of similar cells
Magnetic metallic element
Push or pull on an object