The earth & Moon

What percentage of Earth’s surface is

covered in water?

• 45%

• 55%

• 65%

• 70%

Which layer of Earth makes up 67% of

Earth’s mass?

• Inner core

• Outer core

• Mantle

• Crust

Which layer of Earth’s atmosphere

contains the ozone layer?

• Stratosphere

• Troposphere

• Ionosphere

• Mesosphere

Stratosphere

• It occurs around Dec. 21st in the northern

  hemisphere

• It is the shortest day of the year

• It occurs around June 21st in the southern

  hemisphere

• The sun is at the highest altitude from the

  equator

The inner Van Allen belts consist mostly

of __________.

• Electrons

• Protons

• Neutrons

• Ions

How often does the Moon orbit the

Earth?

• Every 28 days

• Every 36 days

• Every 52 days

• Every 365 days

The inner core of the moon is made up

of:

• Water

• Mostly Iron

• Mostly magma

• Caves

The habitable zone around a star in

which planets can sustain life

• Ozone Layer

• Magnetic field

• Goldilocks zone

• Mid-Atlantic Ridge

A measure of how much material (or

mass) is packed into a given volume

• Weight

• Density

• Velocity

• Acceleration

Broken pieces

• Plates

• Slivers

• Mantle

• Crust