横向
1
Form of thermal energy
3
Blocking of light by a celestial body
5
Push or pull on an object
9
Solid with repeating atomic pattern
12
Positive particle in nucleus
纵向
2
Measure of matter in an object
4
Unit of heredity
6
Biological catalyst
7
Path of a planet around the sun
8
Icy body with a tail near the sun
10
Ball of burning gas in space
11
Force that attracts objects together