Definitions: Unit 13

Question 1

What is the ATMOSPHERE?

Answer 1

The mass of air surrounding a planet

Question 2

What is the GREENHOUSE EFFECT?

Answer 2

The process by which certain gases (principally water vapor, carbon dioxide, and methane) trap heat that radiates from Earth

Question 3

What is PRESSURE?

Answer 3

The force (weight) applied over a unit of area

Question 4

What is ATMOSPHERIC PRESSURE?

Answer 4

The pressure exerted by the atmosphere on all objects within it

Question 5

What is RADIATION?

Answer 5

The transfer of energy by waves, through air or empty space

Question 6

What is CONDUCTION?

Answer 6

The transfer of heat energy from molecule to molecule by contact

Question 7

What is CONVECTION?

Answer 7

The transfer of heat energy, through a liquid or gas, by currents

Question 8

What is HEAT?

Answer 8

Energy that is transferred as a consequence of temperature difference

Question 9

What is TEMPERATURE?

Answer 9

A measure of the energy of random motion in a substance’s molecules