Free Printable Water in the atmosphere

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Water in the atmosphere

Total questions: 23

Worksheet time: 34mins

Name

Class

Date

Select the state changes that latent heat of vaporisation applies to.

melting

evaporating

freezing

condensing

sublimation

Latent heat is

the heat absorbed or released at a boiling process during a change of phase

the heat absorbed or released at a constant temperature during a change of phase

the heat absorbed or released at a constant temperature during a change of phase of 1 kg object

the heat absorbed or released by an object to increase or decrease its temperature by 1 degree Celcius

The amount of energy required to raise the temperature 1ºC for every kilogram is called____?

Thermal Energy

Specific Heat

Temperature

Kinetic Energy

Evaporation

A gas changes into a liquid

A solid changes into a liquid

A liquid changes into a gas

A liquid changes into a solid

Condensation

A gas changes into a liquid

A liquid changes into a gas

A solid changes into a liquid

A liquid changes into a solid

Evaporation happens because some particles in the liquid ...

... lose heat energy.

... gain heat energy.

Heat makes evaporation take place ...

faster

slower

Sublimation is

when solid turns into gas

when gas turns into plasma

when liquid turns into gas

when gas turns into solid

What is the definition of sublimation?

a chemical process where a solid turns into a gas without going through a liquid stage

the process of a liquid changing into a gas

10.

What is the phase change of a solid to a liquid?

freezing

melting

boiling

condensation

11.

Change from Gas to Solid is called........

Sublimation

Deposition

Fusion

condensation

12.

What happens to the energy of the particles during sublimation?

Gain energy

Lose energy

13.

Warm air is __________ dense than cold air and rises creating convection currents.

less

14.

Transfer of thermal energy through "space"

conduction

convection

radiation

15.

Hot coffee is stirred with a spoon; the spoon gets hot due to

conduction

convection

radiation

16.

As the air temperature increases, the air's capacity for water vapor:

increases

decreases

remains the same

is unrelated to air temperature and can either increase or decrease

17.

The time of day when the relative humidity reaches a maximum value is usually

at the time when the air temperature is highest

in the middle of the afternoon

at the time when the air temperature is lowest

just before sunrise

18.

The temperature to which air must be cooled in order to become saturated is the:

Relative Humidity

Mixing Ratio

Dew Point Temperature

Wet-bulb Temperature

19.

What is relative humidity?

humidity that is related to other humidity

condensation

clouds

the amount of water in the air compared to the amount of water the air can hold - a ratio

20.

Which environment will probably have the lowest relative humidity?

swamp

desert

rain forest

21.

When the air is full of water and has a relative humidity of 100% it is said to be ___.

full

humid

saturated

warm

22.

On a cold day, water vapor capacity is higher than on a hot day.

True

False

23.

Relative humidity is expressed in what unit?

Cubic metre

Metre per litre

Percent

Gallons

100 %

Water in the atmosphere

Total questions: 23

Worksheet time: 34mins

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