Describing Weather_Lesson 3.1

Question 1

The atmospheric conditions, along with short-term changes of a certain place at a certain time.

Answer 1

Weather

Question 2

The force that a column of air applies on the air or surface below it.

Answer 2

Air Pressure

Question 3

The amount of water vapor in the air.

Answer 3

Humidity

Question 4

A tool used to measure humidity.

Answer 4

Barometer

Question 5

A tool used to measure wind.

Answer 5

Anemometer

Question 6

The amount of water vapor present in the air compared to the maximum amount of water vapor the air could contain at that temperature.

Answer 6

Relative Humidity

Question 7

The temperature at which air is saturated and condensation can occur.

Answer 7

Dew Point

Question 8

This occurs when cloud droplets combine and become large enough to fall back to Earth’s surface

Answer 8

Precipitation

Question 9

A suspension of water droplets or ice crystals close to Earth’s surface.

Answer 9

Fog

Question 10

Water droplets or ice crystals suspended in the Earth’s atmosphere.

Answer 10

Cloud

Question 11

The series of natural processes by which water continually moves among oceans, land, and the atmosphere.

Answer 11

Water Cycle

Question 12

A cloud that is flat, white, and layered. Altitude up to 2,000 m. This type of cloud is called a…

Answer 12

Stratus Cloud

Question 13

A cloud that is fluffy, heaped, or piled up. Altitude 2,000 m to 6,000 m. This type of cloud is called a…

Answer 13

Cumulus Cloud

Question 14

A cloud that is wispy. Altitude over 6,000m. This type of cloud is called a…

Answer 14

Cirrus Cloud

Question 15

This increases from having more molecules overhead.

Answer 15

Air Pressure

Question 16

A quantity of change.

Answer 16

Variable

Question 17

The direction from which the wind is blowing.

Answer 17

Wind Direction

Question 18

Humidity measures in…

Answer 18

grams of water per cubic meter of air

g/m³

Question 19

As air temperature increases, the air can contain more of…

Answer 19

Water Vapor;

For: DEW POINT

Question 20

What air temperature can hold the greatest amount of water vapor?

Answer 20

Warm Air

Question 21

A tool used to measure air temperature.

Answer 21

Thermometer

Question 22

A barometer measures in…

Answer 22

millibars (mb)

Question 23

An anemometer measures in…

Answer 23

mph or km/h

Question 24

A thermometer measures in…

Answer 24

Celsius or Fahrenheit

Question 25

As air temperature decreases, the air can hold less of…

Answer 25

Moisture;

For: RELATIVE HUMIDITY

Question 26

A tool used to measure relative humidity.

Answer 26

Psychrometer

Question 27

Relative humidity is measured in…

Answer 27

Percents

Question 28

When air near the ground becomes saturated and the temperature is above 0°C, water will condense and form…

Answer 28

Dew

Question 29

If the ground temperature is below 0°C, water vapor will condense and form ice crystals or…

Answer 29

Frost

Question 30

How is hail formed?

Answer 30

Hail starts as a small piece of ice that is repeatedly lifted and dropped by an updraft within a cloud. Next a layer of ice is added with each lifting. When it finally becomes to heavy for the updraft to lift, it falls to Earth.

Question 31

Precipitation that reaches Earth’s surface as droplets of water.

Answer 31

Rain

Question 32

Precipitation that reaches Earth’s surface as solid, frozen, crystals of water.

Answer 32

Snow

Question 33

Precipitation that melts as it falls through a layer of warm air and refreezes when it passes through a layer of below-freezing air.

Answer 33

Sleet; EXTRA: Starts as snow

Question 34

Precipitation that starts as a small piece of ice that is repeatedly lifted and dropped by an updraft within a cloud.

Answer 34

Hail; reaches Earth surface as large pellets of ice

Question 35

What powers the water cycle?

Answer 35

Sun