横向
1
Amplified beam of light
3
Positive particle in nucleus
4
Path of a planet around the sun
8
Force that attracts objects together
9
Precious yellow metallic element
10
Icy body with a tail near the sun
12
Particle of light
纵向
2
Magnetic metallic element
3
Glass that splits light into spectrum
5
Preserved remains of ancient life
6
Chemical element in table salt
7
Measure of matter in an object
11
Compound containing oxygen