PAX PAX Earth Science 2

Question 1

What instrument is used to measure atmospheric pressure?

Accepted Answer

Barometer

Answer

A barometer measures atmospheric air pressure; falling pressure often signals an approaching storm.

Question 2

The Richter scale is used to measure the:

Accepted Answer

Magnitude of earthquakes

Answer

The Richter scale quantifies the energy released by an earthquake; each whole-number increase represents about 32 times more energy.

Question 3

Which mineral ranks 10 (hardest) on the Mohs hardness scale?

Accepted Answer

Diamond

Answer

Diamond is the hardest natural substance, ranking 10 on the Mohs scale and can only be scratched by another diamond.

Question 4

What type of rock forms when existing rocks are transformed by heat and pressure without melting?

Accepted Answer

Metamorphic

Answer

Metamorphic rocks form when pre-existing rocks undergo physical or chemical changes due to intense heat and/or pressure deep within the crust.

Question 5

What is the primary cause of seasons on Earth?

Accepted Answer

The tilt of Earth's axis

Answer

Earth's axial tilt of approximately 23.5° causes different hemispheres to receive more or less direct sunlight at different times of year, producing seasons.

PAX Exam Practice Test

PAX Exam Practice Test

PAX PAX Earth Science 2