8
9
3
4
5
100

What is an ocean?

A large body of water. 

100

What is the Atmosphere?

The layer of gases that surrounds a planet. 

100

What is a mineral?

A naturally occurring, inorganic, crystalline solid. 

100

What is a hemisphere?

One half of a sphere. 

100

What is continental drift? 

The early 20th century hypothesis that the continents move about on the Earth's surface.

200

T/F: The ocean is very biodiverse. 

Yes

200

What is humidity? 

The amount of water vapor held in the air.

200

What is a solid in which all atoms are arranged in a pattern? 

A crystal.

200
What is a magnetic field? 

A field produced by a magnetic object that exerts a force on other magnetic objects. 

200

What is a convection cell?

A circular pattern of warm material rising and cool material sinking. 

300

What is biomass? 

The total mass of living organisms in a given region.

300

What is the Ozone Layer?

A layer of the stratosphere where ozone gas is more highly concentrated. 

300

What is a substance in which the atoms of two or more elements bond together?

Chemical Compound.

300

What is a celestial object that orbits a planet?

Moon.
300

What is an instrument that measures the magnetic field intensity? 

A magnometer. 

400

What % of salt makes up oceans?

3.5%

400

What is air pressure? 

The force of air pressing on a given area. 

400

What is a silicate? 

A mineral made of silica tetrahedron, with a silicon ion and oxygen ions. 

400

What is revolution? 

The Earth's movements around the earth in an orbital path.

400

What is a trench? 

The deepest parts of the ocean basins. 

500
What is a wave? 

A change in the shape of water caused by energy by the wind. 

500

What is altitude?

Distance above sea level?

500

What is the tendency of a mineral to break along certain planes to make smooth surfaces?

Cleavage.

500

What is the axis? 

An imaginary line that runs from the North Pole to South Pole, and it includes the center of Earth.

500
What are very flat areas that make up most of the ocean floor?

An Abyssal Plain.

M
e
n
u