横向
1
Form of thermal energy
3
Substance with pH above 7
5
Mass per unit volume
6
Molten rock beneath Earth surface
8
Infectious microscopic agent
9
Particle of light
纵向
2
Biological catalyst
4
Force that attracts objects together
7
Unit of force
10
Path of a planet around the sun
11
Curved glass that refracts light
12
Fourth state of matter
13
Measure of matter in an object
14
Blocking of light by a celestial body