The Moon

How do astronomers know exactly how far away the Moon is?

• they use kilometers as measured by parallax

• astronauts measured the distance along the way

• laser beams are bounced off reflectors on the Moon's surface

• they don't actually know exactly how far away it is

Tags

NGSS.MS-ESS1-3

The ___ on the far-side of the Moon is about 3 times as thick as the near-side.

• crust

• mantle

• atmosphere

• cratering

How does the Earth & Moon compare in size?

• they are about the same

• the Moon is a little smaller

• Earth is just a little larger

• the Moon is about 1/4 as large as the Earth

Tags

NGSS.MS-ESS1-3

Ancient solidified lava channels on the Moon's surface are called ___.

• maria

• canals

• rilles

• scarps

Tags

NGSS.MS-ESS2-2

What effect does the Moon's gravity have on Earth due to "tidal locking?"

• ocean currents are affected

• Earth's crust is lifted causing tides

• Earth's rotational spin is slowing

• the Moon is shrinking in size

Tags

NGSS.MS-ESS1-1

Which statement best describes the Moon's inner core?

• it's larger than its outer core

• at least partially molten and relatively small

• it sometimes shifts causing moonquakes

• completely molten and spinning rapidly

Bombardment by huge meteorites and asteroids created the dark areas or ___ that we see today.

• rilles

• maria

• craters

• crustal thickness

Tags

NGSS.MS-ESS2-2

Lava flows from the Moon's ___ filled in the lower-lying areas creating the lunar maria.

• mantle

• core

• outer core

• active volcanoes

Tags

NGSS.MS-ESS2-2

The lunar highlands are made up of mostly ___ rock.

• aluminum (lighter) - rich

• impact ejecta

• iron (heavier) rich

• basaltic

The lunar lowlands (maria) are made up of mostly ___ rock.

• aluminum (lighter)-rich granitic

• iron (heavier)-rich basaltic

• shattered

• smooth but somewhere in between type