Across
1
Substance with pH above 7
2
Basic unit of life
5
Icy body with a tail near the sun
7
Amplified beam of light
Down
2
Reddish electrical conductor
3
Absolute temperature scale unit
4
Force that attracts objects together
6
The Red Planet
Substance with pH above 7
Basic unit of life
Icy body with a tail near the sun
Amplified beam of light
Reddish electrical conductor
Absolute temperature scale unit
Force that attracts objects together
The Red Planet