CAST — California Science Test The Moon and Mercury — practice questions
13 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CAST — California Science Test The Moon and Mercury in the app →The Moon holds no atmosphere today. What is the basic reason?The dark, smooth patches early observers called seas on the Moon are made of what?Nearly every impact crater is circular rather than oval. Why does that happen?Mercury takes how long to travel once around the Sun?Compared with Earth, the Moon is strongly short of which materials?The bright, heavily cratered lunar highlands make up what share of the Moon's crust?A crater is usually how much wider than the object that dug it out?In the giant impact idea for the Moon's birth, how big was the body that struck Earth?Mercury's high density points to a core that holds what share of the planet's mass?Lunar highlands carry about ten times as many craters as the maria, yet they are only about 4.2 billion years The idea that Earth simply captured a passing Moon runs into which specific problem?Mercury spins once in 59 Earth days and circles the Sun in 88. How long does the Sun take to return to the samLong cliffs on Mercury cut straight across older craters. What does that tell us?