横向
1
Measure of matter in an object
3
Absolute temperature scale unit
6
Path of a planet around the sun
7
Unit of heredity
8
Gas essential for breathing
9
Force that attracts objects together
12
Infectious microscopic agent
纵向
2
Hottest planet in solar system
4
Biological catalyst
5
Positive particle in nucleus
10
Solid with repeating atomic pattern
11
Glass that splits light into spectrum