横向
1
Substance with pH below 7
4
Infectious microscopic agent
5
Nerve cell in the brain
10
Unit of energy
纵向
2
Solid with repeating atomic pattern
3
Compound containing oxygen
5
Unit of force
6
Glass that splits light into spectrum
7
Element found in all living things
8
Force that attracts objects together
9
Measure of matter in an object