Moon

Mountainous, cratered areas of lighter color, oldest areas of the Moon

• highlands

• maria

• rays

• craters

• rilles

Low, flat, ancient lava plains on the Moon, darker in color; from the Latin for "seas"

• highlands

• maria

• rays

• craters

• rilles

Circular pit with raised rims resulting from meteor impacts

• highlands

• maria

• rays

• craters

• rilles

Long, light streaks of pulverized rock radiating outward from “newer” craters

• highlands

• maria

• rays

• craters

• rilles

Narrow canyons caused by ancient lava flows

• highlands

• maria

• craters

• rays

• rilles

Nearly all surface features of the moon are a result of 

• solid bodies impacting the surface

• gravitational forces of the Earth acting on the Moon

• solar radiation

• tectonic activity

The currently accepted theory of the formation of the Moon, "violent-birth" hypothesis, states what?

• the Moon was a small planet "captured" by Earth's gravity

• the Earth and Moon formed from the same cloud of dust in the solar system

• a Mars-sized planet called Theia impacted Earth, sending debris into space that eventually formed the Moon

• the Earth used to spin faster and formed a bulge that broke off to form the Moon

Which of the following is NOT true?

• Moon's distance from Earth averages 250,000 miles

• Moon rotates on its axis every 27.3 days

• Moon orbits the Earth every 27.3 days

• Moon's orbit is perfectly circular

Answer explanation

Moon's orbit is elliptical

Tags

NGSS.MS-ESS1-1

Type of tide that occurs when the Sun, Earth, and Moon line up perfectly, forming a 180* line and the Sun and Moon's forces add to each other

• Neap tides

• Spring tides

• High tide

• Low tide

Tags

NGSS.MS-ESS1-1

What moon phases are associated with spring tides?

• new and full

• first and third quarter

• waxing and waning crescent

• waxing and waning gibbous

Tags

NGSS.MS-ESS1-1