Unit 7.2A Lessons #1 - #3 Flashcard Review MiSTAR (2023)

Front

What is the material that comes from a volcano and is classified as number 7 on the Mohs scale?

Back

Lava

Front

At which type of plate boundary is new crust formed?

Back

Divergent boundary.

Front

What does letter A represent in a diagram of a volcano?

Back

Lava flow.

Front

What types of crusts are involved when one tectonic plate subducts beneath another?

Back

Oceanic and continental crusts.

Front

Where do volcanoes and earthquakes typically occur?

Back

Along plate boundaries.

Front

What is the process called when one tectonic plate moves under another?

Back

Subduction.

Front

What is the difference between oceanic and continental crust?

Back

Oceanic crust is denser and thinner than continental crust.

Front

What geological feature is formed at a divergent boundary?

Back

Mid-ocean ridges.

Front

What is the term for the molten rock beneath the Earth's surface?

Back

Magma.

Front

What is the primary cause of earthquakes?

Back

Movement of tectonic plates.