Front

What is the layer of the atmosphere where meteors burn up?

Back

Mesosphere

Front

What geological process is caused by the upward movement of magma at the Mid-Atlantic Ridge?

Back

Seafloor spreading

Front

How do temperature and density change as you move from the Earth's crust to the inner core?

Back

They increase.

Front

Which layer of the atmosphere absorbs harmful ultraviolet radiation?

Back

Stratosphere

Front

What is the most common gas in the atmosphere, making up 78% of it?

Back

Nitrogen

Front

What is the primary function of the ozone layer in the stratosphere?

Back

To absorb harmful ultraviolet radiation.

Front

What are the three main layers of the Earth?

Back

Crust, mantle, and core.

Front

What is the process of plate tectonics?

Back

The movement of the Earth's plates that causes geological activity such as earthquakes and volcanic eruptions.

Front

What is the significance of the Mid-Atlantic Ridge?

Back

It is a divergent boundary where seafloor spreading occurs.

Front

What is the relationship between pressure and depth in the Earth's layers?

Back

Pressure increases with depth.