横向
1
Center of an atom or cell
5
Molten rock beneath Earth surface
7
Gas form of a liquid
9
Chemical element in table salt
10
Solid with repeating atomic pattern
11
Biological catalyst
12
Amplified beam of light
纵向
2
Glass that splits light into spectrum
3
Precious yellow metallic element
4
Hottest planet in solar system
6
Unit of power
8
Force that attracts objects together