横向
1
Glass that splits light into spectrum
3
Curved glass that refracts light
6
Group of similar cells
7
Force that attracts objects together
8
Precious yellow metallic element
11
Blocking of light by a celestial body
纵向
1
Positive particle in nucleus
2
Hottest planet in solar system
4
Gas form of a liquid
5
Tissue that contracts for movement
9
Element found in all living things
10
Unit of heredity