Unit 2 Earth Science

Front

What is the independent variable in the hypothesis: The more grams of salt a person eats, the higher their blood pressure?

Back

Grams of salt a person eats.

Front

What type of rocks is NOT useful for radiometric dating?

Back

Sedimentary rocks.

Front

Define Convergent Boundary (Ocean-Continent).

Back

When an oceanic plate collides with a continental plate, the denser oceanic plate is forced beneath the continental plate in a process known as subduction.

Front

Which layer of the Earth is referred to as #2?

Back

Mantle.

Front

What is the half-life of Carbon-14?

Back

5730 years.

Front

If a sample of Carbon-14 has gone through 5 half-lives, how many years have passed?

Back

28,650 years.

Front

What is a hypothesis?

Back

A testable statement predicting the relationship between variables.

Front

What is the process of subduction?

Back

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

Front

What are igneous rocks?

Back

Rocks formed from the solidification of molten material (magma or lava).

Front

What is the lithosphere?

Back

The rigid outer layer of the Earth, consisting of the crust and upper mantle.