You are able to see the Moon because it ____________________light from the Sun

A lunar cycle lasts four weeks and includes _____________________ and _________________ phases

Scientists hyposthesize that the Moon formed when a huge ___________________ struck Earth

The Moon's rotation and revolution are similar in time, so _______________________ of the Moon is always seen from Earth

Vaporized ____________ formed a __________________ around Earth

___________________ flowed up through the Moon's crust.

The Moon's surface has remained the same for several billions of years because it has no _____________ or _______________

The Moon's ___________________ were formed from space objects that crashed into the Moon

The Highlands of the Moon are covered with ________________ and were too high for the lava that formed the maria to reach them

The light-colorerd streaks of blasted material that stretch outward from some craters are called _____

The large dark flat areas found on the moon are called ________________