横向
1
Fourth state of matter
2
Push or pull on an object
5
Measure of matter in an object
6
Unit of energy
8
Our home planet
10
Gas form of a liquid
纵向
2
Preserved remains of ancient life
3
The Red Planet
4
Disturbance that transfers energy
7
Form of thermal energy
9
Unit of force
11
Force that attracts objects together