横向
1
Smallest unit of an element
3
Glass that splits light into spectrum
4
The Red Planet
5
Molten rock beneath Earth surface
7
Particle of light
纵向
2
Magnetic metallic element
4
Measure of matter in an object
6
Reddish electrical conductor
Smallest unit of an element
Glass that splits light into spectrum
The Red Planet
Molten rock beneath Earth surface
Particle of light
Magnetic metallic element
Measure of matter in an object
Reddish electrical conductor