Unit 4 test (Lesson 1-2)

Question 0

What is used to measure air pressure?

Answer 0

Barometer

Question 1

Wht is weather?

Answer 1

The condition of earth’s atmosphere at a certain time and place.

Question 2

What is used to measure wind speed?

Answer 2

Anemometer

Question 3

What is temperature?

Answer 3

Is a measure of how hot or cold something is.

Question 4

What is dew point?

Answer 4

Is the temperature at which more condensation than evaporation occurs.

Question 5

What does a wind vane measure?

Answer 5

Wind direction

Question 6

What does a hygrometer measure?

Answer 6

Humidity

Question 7

What is humidity?

Answer 7

The amount of water vapor in the air.

Question 8

What measures relative humidity?

Answer 8

Psychrometer

Question 9

What is precipitation?

Answer 9

Is any form of water that falls to earth from clouds.

Question 10

What do you use to measure snow?

Answer 10

A ruler/measuring stick

Question 11

What are 4 forms of precipitation?

Answer 11

Hail, sleet, snow, and rain

Question 12

What is air pressure?

Answer 12

Is the force of air molecules pushing on an area.

Question 13

What is visibility?

Answer 13

How far we can see.

Question 14

What moves horizontally towards the ground?

Answer 14

Wind

Question 15

What are 5 ways to collect weather data?

Answer 15

Ground station, weather buoy, an airplane, a satellite, and ships.

Question 16

What can cause poor visibility?

Answer 16

Pollution or fog.

Question 17

What 2 things decrease with altitude?

Answer 17

Air pressure and density.

Question 18

How much of the sun’s energy reaches earth and is reflected back into space?

Answer 18

25% of the sun’s energy is reflected back into space by clouds.

Question 19

How do clouds form?

Answer 19

For clouds to form, 2 things have to happen: air has to be cooled to it’s dew point, and there must be a solid surface so water molecules can condense. They for when water vapor condenses, or changes from a gas to a liquid.

Question 20

How much of the sun’s energy is absorbed by land?

Answer 20

50%

Question 21

What does solar energy do for the water cycle?

Answer 21

It drives the water cycle, which provides energy for cloud formation.

Question 22

What is frontal lifting?

Answer 22

Can occur when a warm air mass rises over a cold air mass. Once the rising air cools to it’s dew point, condensation occurs and clouds form.

Question 23

What is orographic lifting?

Answer 23

Occurs when something forces a mass of air upward. Then after that, clouds form.

Question 24

What are stratus clouds? What does "stratus" mean in Latin?

Answer 24

They are thin and flat. Stratus means: "layer."

Question 25

What are cumulus clouds? What does the word "cumulus" mean in Latin?

Answer 25

They are thick and puffy. Cumulus means: "heap."

Question 26

What are cirrus clouds? What does the word "cirrus" mean in Latin?

Answer 26

They look feathery, and they have curls at the end. They are fully white. Cirrus means: "curl."

Question 27

What are the types of low clouds? What does "nimbus" mean in Latin?

Answer 27

Startus, stratocumulus, and nimbostratus. Nimbus means: "rain."

Question 28

What are the types of middle clouds? What does the prefix "alto" mean in Latin?

Answer 28

Altocumulus and altostratus. Alto: it is used to name middle clouds.

Question 29

What are the types of high clouds? What does the prefix "cirro" mean?

Answer 29

Cirrus, cirrocumulus, and cirrostratus. Cirro : is used to name high clouds.