横向
1
Form of thermal energy
4
Amplified beam of light
5
Element found in all living things
6
Naturally occurring inorganic solid
10
Magnetic metallic element
纵向
2
Our home planet
3
Smallest unit of an element
7
Positive particle in nucleus
8
Unit of heredity
9
Unit of power
11
Precious yellow metallic element
12
Curved glass that refracts light