C02 - Temperature and Heating

Question 1

What is the definition of Temperature?

Answer 1

The measure of the heat energy associated with the movement and collision of molecules in a gas, liquid or solid.

Question 2

What is the freezing and boiling point in Celsius?

Answer 2

0°C and 100°C.

Question 3

What is the freezing and boiling point in Fahrenheit?

Answer 3

32°F and 212°F.

Question 4

What is absolute zero in Kevin?

Answer 4

0K is -273°C.

Question 5

How do you convert Celsius to Fahrenheit?

Answer 5

(°C x 1.8) + 32.

Question 6

How do you convert Fahrenheit to Celsius?

Answer 6

(°F - 32) ÷ 1.8.

Question 7

How do you convert Celsius to Kelvin?

Answer 7

°C + 273.

Question 8

Objects which reflect are said to have ‘____’ colour surfaces, ‘____’ albedo and the temperature is ‘____’ (3)?

Answer 8

• Light.
• High.
• Constant/Lower.

Question 9

Objects which absorb are said to have ‘____’ colour surfaces, ‘____’ albedo and the temperature is ‘____’ (3)?

Answer 9

• Dark.
• Low.
• Increases/Higher.

Question 10

What is the definition of Specific Heat Capacity?

Answer 10

The amount of heat required to change a substance’s temperature by a specific amount.

Question 11

What is the heat capacity of Water?

Answer 11

4.2 Joules.

Question 12

What is the heat capacity of Land?

Answer 12

0.8 Joules.

Question 13

True or False. Water takes longer to warm/cool down than Land?

Answer 13

True.

Question 14

True or False. Solar Radiation is the main direct source of heat in our Atmosphere?

Answer 14

False.

Question 15

How is the Atmosphere heated?

Answer 15

By Terrestrial Radiation.

Question 16

True or False. The Atmosphere is denser at the surface or the Earth?

Answer 16

True.

Question 17

Why does Temperature decrease with Altitude?

Answer 17

Because the warmest part of the Earth is towards the surface of the Earth.

Question 18

What is the definition of Conduction?

Answer 18

The transfer of heat by direct physical contact between one substance and another.

Question 19

True or False. Air is a good conductor?

Answer 19

False. It’s a poor one.

Question 20

What is the definition of Convection?

Answer 20

The vertical transfer of heat.

Question 21

Air being warmed by Conduction can become ‘____’ dense and ‘____’ than the surrounding air, as a result the pocket of air will ‘____’ (3)?

Answer 21

• Less Dense.
• Lighter.
• Rise.

Question 22

How fast can pockets of warm air rise?

Answer 22

10,000ft per minute.

Question 23

Air being cooled by Conduction can become ‘____’ dense and ‘____’ than the surrounding air, as a result the pocket of air will ‘____’ (3)?

Answer 23

• More Dense.
• Heavier.
• Sink.

Question 24

The vertical movements of air in our Atmosphere can cause what?

Answer 24

Cloud Formation.

Question 25

What is the definition of Advection?

Answer 25

The horizontal transfer of heat.

Question 26

The horizontal movements of air in our Atmosphere can cause what?

Answer 26

Advection Fog.

Question 27

What is the definition of Latent Heat?

Answer 27

The heat released or absorbed by a body without any change in its temperature.

Question 28

What will happen to the surroundings when water changes from liquid to gas?

Answer 28

Surrounds will cool.

Question 29

What will happen to the surroundings when water changes from gas to liquid?

Answer 29

Surrounds will warm.

Question 30

Define Temperature Variation?

Answer 30

The amount of Insolation according to the reflective of the Earth’s surface.

Question 31

Over a small area, there will be ‘____’ energy/surface heating?

Answer 31

More.

Question 32

Over a large area, there will be ‘____’ energy/surface heating?

Answer 32

Less.

Question 33

What are the two important Temperature Variations?

Answer 33

- Seasonal. | - Daily Temperature.

Question 34

Define Seasonal and Latitude Variation?

Answer 34

The curvature of the Earth determines the angle of inclination of the sun’s radiation.

Question 35

The Earth’s rotational axis is tilted by how many degrees?

Answer 35

23.5°.

Question 36

Define Perihelion?

Answer 36

When the Earth is closet to the sun in January at a distance of about 91 million miles.

Question 37

Define Aphelion?

Answer 37

When the Earth is furthest from the sun in June at a distance of 95 million miles.

Question 38

When is the sun at it’s maximum in the northern hemisphere?

Answer 38

21st June.

Question 39

When is the sun at it’s maximum in the southern hemisphere?

Answer 39

21 December.

Question 40

What are the coordinates for the Tropic of Cancer and Capricorn?

Answer 40

- 23.5N. | - 23.5S.

Question 41

What are the dates and the term given when the sun is at a maximum on the Equator (3)?

Answer 41

- 21st March. - 23rd September. - Equinoxes.

Question 42

True or False. During the day the Surface Air Temperature increases?

Answer 42

True.

Question 43

True or False. Even at night, the Earth continues to radiate heat?

Answer 43

True.

Question 44

When is the maximum Temperature of the day?

Answer 44

1500 LMT.

Question 45

When is the minimum Temperature of the day?

Answer 45

30mins after sunrise.

Question 46

The Diurnal Variation in Temperature ‘____’ rapidly with Height above 3,000ft?

Answer 46

Decreases.

Question 47

The minimum and maximum values in Diurnal Variation depend on which three factors?

Answer 47

- Type of Surface. - Wind. - Cloud Cover.

Question 48

True or False. In the Sea Diurnal Variation is a lot less than Land?

Answer 48

True.

Question 49

Cooler air at higher levels mixes with the warmer air at the surface, thus ‘____’ Surface Air Temperature?

Answer 49

Decreasing.

Question 50

During the day cloud cover can do what to maximum Surface Air Temperature?

Answer 50

Cool/Reduce.

Question 51

During the night what can cloud cover do to the Surface Air Temperature?

Answer 51

Reheat the surface.