A) corona B) core C) photosphere D) chronosphere
A) lunar eclipse B) solar eclipse C) the aurora borealis D) flow of protons and electrons from sun
A) all of the above B) helium is formed C) nuclear fusion D) 2 hydrogen atoms combine
A) the moon B) the northern lights C) solar winds D) the sunset
A) convection zone B) chronosphere C) photosphere D) corona
A) radio waves B) x rays C) microwaves D) gamma rays
A) radio waves B) microwaves C) gamma rays D) x rays
A) True B) False
A) the visible spectrum B) ultraviolet light C) we can see all of the electromagnetic spectrum D) infered light
A) 93 billion miles B) 1 light year C) 93 million miles D) 93 thousand miles |