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