I have to take a science test on everything in earth science. I need some questions

[Crazysillygoofball]

to help me prepare.? I'm only in 7th grade. please just post questions about any subject in earth science. Thank you

 

[Jessica]

What layers to P-waves go through?
What layers to S-waves go through?
What is the weather instrument that is used to measure wind speed?
What is the difference between cleavage and fracture of a rock?

 

[Jessica]

What layers to P-waves go through?
What layers to S-waves go through?
What is the weather instrument that is used to measure wind speed?
What is the difference between cleavage and fracture of a rock?