横向
1
Infectious microscopic agent
5
Mass per unit volume
7
Smallest unit of an element
9
Compound containing oxygen
10
Path of a planet around the sun
纵向
2
Disturbance that transfers energy
3
Glass that splits light into spectrum
4
Chemical element in table salt
6
Amplified beam of light
7
Substance with pH below 7
8
Form of thermal energy