Lesson 1 Earths atmosphere

Question 1

convection

Answer 1

is the circular motion that happens when warmer air or liquid

Question 2

Coriolis effect

Answer 2

an effect whereby a mass moving in a rotating system experiences a force (the Coriolis force ) acting perpendicular to the direction of motion and to the axis of rotation.

Question 3

conduction

Answer 3

the process by which heat or electricity is directly transmitted through a substance when there is a difference of temperature or of electrical potential between adjoining regions, without movement of the material.

Question 4

thermal energy

Answer 4

is the internal energy of an object due to the kinetic energy of its atoms and/or molecules.

Question 5

climate

Answer 5

the weather conditions prevailing in an area in general or over a long period.

Question 6

weather

Answer 6

refers to day-to-day temperature and precipitation activity, whereas climate is the term for the averaging of atmospheric conditions over longer periods of time.

Question 7

atmosphere

Answer 7

the envelope of gases surrounding the earth or another planet.

Question 8

ionosphere

Answer 8

the layer of the earth’s atmosphere that contains a high concentration of ions and free electrons and is able to reflect radio waves.

Question 9

radiation

Answer 9

the layer of the earth’s atmosphere that contains a high concentration of ions and free electrons and is able to reflect radio waves.

Question 10

ozone layer

Answer 10

a layer in the earth’s stratosphere at an altitude of about 6.2 miles (10 km) containing a high concentration of ozone, which absorbs most of the ultraviolet radiation reaching the earth from the sun.

Question 11

runoff

Answer 11

a further competition, election, race, etc., after a tie or inconclusive result.