横向
1
Center of an atom or cell
2
Particle of light
5
Force that attracts objects together
9
Substance with pH above 7
纵向
2
Glass that splits light into spectrum
3
Infectious microscopic agent
4
Solid with repeating atomic pattern
6
Element found in all living things
7
Unit of electric potential
8
Compound containing oxygen
10
Amplified beam of light