横向
1
Naturally occurring inorganic solid
5
Measure of matter in an object
6
Smallest unit of an element
7
Path of a planet around the sun
9
Our home planet
11
Unit of energy
13
Amplified beam of light
纵向
2
Icy body with a tail near the sun
3
Glass that splits light into spectrum
4
Tissue that contracts for movement
8
Fourth state of matter
10
Unit of force
12
Magnetic metallic element
14
Positive particle in nucleus