Semester 1 Exam Review Huggins

Front

What happens at a divergent tectonic plate boundary?

Back

Two tectonic plates pull away from one another, forming a rift or ridge.

Front

How does a scientist make scientific explanations?

Back

A scientist bases scientific explanations on a large body of observations of the world.

Front

What is plate tectonics an example of?

Back

A scientific theory.

Front

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

Back

Subduction.

Front

What types of rock can metamorphic rock form from?

Back

Igneous rock or sedimentary rock.

Front

What are tectonic plates?

Back

Large and small pieces of Earth's crust that are in constant motion.

Front

What drives the motion of tectonic plates?

Back

Convection currents in Earth's mantle.

Front

What is the difference between a scientific law and a scientific theory?

Back

A scientific law describes a consistent observation, while a scientific theory explains why those observations occur.

Front

What is subduction?

Back

The process by which one tectonic plate sinks beneath another into the mantle.

Front

What is continental drift?

Back

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