横向
1
Substance with pH below 7
3
Unit of force
7
Push or pull on an object
8
Blocking of light by a celestial body
9
Unit of electric potential
10
Substance with pH above 7
纵向
2
Second lightest element
4
Amplified beam of light
5
Path of a planet around the sun
6
Compound containing oxygen
11
Form of thermal energy