横向
1
Element found in all living things
4
Disturbance that transfers energy
5
Unit of force
6
Icy body with a tail near the sun
9
Chemical element in table salt
10
Measure of matter in an object
纵向
2
Natural satellite of Earth
3
Push or pull on an object
7
The Red Planet
8
Smallest unit of an element
11
Mass per unit volume