Across
1
Unit of power
4
Smallest unit of an element
6
Reddish electrical conductor
8
Unit of electric potential
9
Substance with pH above 7
11
Disturbance that transfers energy
Down
2
Tectonic landmass section
3
Force that attracts objects together
5
Path of a planet around the sun
6
Basic unit of life
7
Particle of light
10
Hottest planet in solar system