Unit 2 Earth Science

Unit 2 Earth Science

Assessment

Flashcard

Science

9th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

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.

2.

FLASHCARD QUESTION

Front

What type of rocks is NOT useful for radiometric dating?

Back

Sedimentary rocks.

3.

FLASHCARD QUESTION

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.

4.

FLASHCARD QUESTION

Front

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

Back

Mantle.

5.

FLASHCARD QUESTION

Front

What is the half-life of Carbon-14?

Back

5730 years.

6.

FLASHCARD QUESTION

Front

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

Back

28,650 years.

7.

FLASHCARD QUESTION

Front

What is a hypothesis?

Back

A testable statement predicting the relationship between variables.

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