Earth's Moon

Earth's Moon

Moon Data

• 1.2 % of earth's mass

• Diameter is 27% of Earth

• Distance from Earth 384,000 KM

• Time for one rotation 27.3 days

• Time for one revolution 27.3 days

Multiple Choice

Why do we never see the other side of the Moon?

• It does not move

• It does not rotate

• Its rotation and revolution have the same speed

• Aliens have a secret base on the other side of the moon that they do not want you to see.

Multiple Choice

What is the most widely accepted theory of the Moon's Formation

• Impact from a large object

• A piece spun off

• it came into orbit from gravity

• Aliens made it

Moon's Formation

• An object the size of Mars crashed into semi-molten Earth about 4.5 billion years ago.

• The impact ejected vaporized rock into space. As the rock cools, it forms a ring of particles around Earth.

• The particles gradualy clump together and form the moon

Moon's Surface

• Highlands shaped by impacts from other objects

• Rays-Bright streaks around craters

• Maria-Is an area where molten lava came up and filled in an impact crater

• Craters-areas from impact with objects

Maria

Highlands and craters

Rays

Multiple Choice

What are the dark areas of the moon called

• impacts

• holes

• maria

• craters

Phases

• Waxing-more of the moon's near side is lit each night

• Waning-less of the moon's near side is lit each night

Multiple Choice

Which is gaining more light each night

• Waning

• Waxing

Multiple Choice

Which is loosing more light each night

• Waning

• Waxing

Multiple Choice

When the Earth is positioned in between the sun and the moon

• Full moon

• Quarter moon

• crescent moon

• new moon

Multiple Choice

When the moon is positioned in between the sun and the Earth

• Full moon

• Crescent moon

• Gibbous moon

• New moon

Multiple Choice

When the moon is positioned 90 degrees from the Earth in relationship to the sun it is a

• Gibbous moon

• Half moon

• Full moon

• Crescent moon