Chapter 7 Terms

Question 1

Craters

Answer 1

Are formed by impact of solid bodies, such as asteroids

Question 2

Differential Gravitational Force

Answer 2

The difference between the gravitational force exerted on an object at two different points

Question 3

Hightlands

Answer 3

The old, heavily cratered regions on the moon

Question 4

Maria

Answer 4

Vast, smooth, dark, and congealed lava on the moon and some planets

Question 5

Rays

Answer 5

Long, narrow, light - colored markings on the moon that radiates from young craters

Question 6

Regolith

Answer 6

The surface rubble of broken rock on the moon or other solid body

Question 7

Rilles

Answer 7

Narrow canyons on the Moon or other body

Question 8

Synchronous Rotation

Answer 8

The condition that a body’s rotation period is the same as its orbital period

Question 9

Tidal Braking

Answer 9

The slowing of one body’s rotation as a result of gravity

Question 10

Tidal Bulge

Answer 10

A bulge on a body created by the gravitional attraction on it by another

Question 11

Tides

Answer 11

The rise and fall of the Earth’s oceans created by gravitational attraction