Earth and Space Final Review Fall 24

Front

What does a redshift in a star's light indicate?

Back

The star is moving away from the Earth.

Front

How does a planet's speed change in relation to its distance from the sun?

Back

A planet moves slower when it is farthest from the sun.

Front

What type of rock forms from the cooling of magma or lava?

Back

Igneous rock.

Front

Where is a planet moving faster in its orbit?

Back

From Position A to B.

Front

What is the process called when the ocean floor sinks beneath a trench?

Back

Subduction.

Front

Define 'subduction'.

Back

The process by which one tectonic plate moves under another and sinks into the mantle.

Front

What is the difference between igneous and sedimentary rock?

Back

Igneous rock forms from cooled magma or lava, while sedimentary rock forms from the accumulation of sediment.

Front

What is the significance of the electromagnetic spectrum in astronomy?

Back

It helps determine the movement and composition of celestial objects based on light shifts.

Front

Explain the concept of continental drift.

Back

The theory that continents have moved over geological time and were once joined together.

Front

What is the role of convection in Earth's mantle?

Back

Convection helps drive plate tectonics by transferring heat from the Earth's interior.