If you were to take a sponge with water in it and squeeze it, this could be used to model which process in nature?

Air cooling down and causing rain

Air warming up and causing rain

Air filling up with more water from evaporation

If the air temperature cools , but the TOTAL amount of water vapor in the air stays the same, what will happen to the RELATIVE humidity?

relative humidity will increase

relative humidity will decrease

relative humidity will stay the same

If the air temperature gets warmer , but the TOTAL amount of water vapor in the air stays the same, what will happen to the RELATIVE humidity?

relative humidity will decrease

relative humidity will increase

relative humidity will stay the same

If the air temperature stays the same , but the TOTAL amount of water vapor in the air increases , what will happen to the RELATIVE humidity?

relative humidity will increase

relative humidity will decrease

relative humidity will stay the same

How does water vapor get into the air?

Evaporation from the ocean and lakes

Why is this meme a good model for understanding humidity? Choose two

High humidity means the air is holding lots of water

Low humidity means there is little water in the air

High humidity means causes the air to expand

Imagine you are trying to squeeze water from a sponge. Which type of sponge do you need to squeeze more to get the water out?

A sponge with very little water

A sponge with a medium amount of water

A fully saturated sponge (maximum water it can hold)

How could you use sponges to demonstrate the concept of air cooling to the dew point?

Gradually squeeze a sponge until it starts to drip

Slowly pour water on top of a sponge until it is full

Allow a sponge to slowly expand after being squeezed

Slowly dunk a sponge into a bucket of water

The dew point is the temperature that water vapor in the air starts to condense to form water droplets. How does the absolute humidity (total water in the air) affect the dew point?

When the absolute humidity is higher, the dew point is higher

When the absolute humidity is lower, the dew point is higher

The absolute humidity has no affect on the dew point

It is summertime and the air is holding lots of water. All of sudden, the temperature drops rapidly. What is likely to happen?

It is likely to rain, because cold air cannot hold as much water

It is likely to become sunny, because cool air has less clouds

Which of these scenarios is most likely to create clouds? Choose two

Evaporation puts more water vapor in the air

The rate of evaporation slows down

Which of these is a way of expressing the absolute humidity?

There is 10g water in 1 m 3 of air.

If there is the same amount of total water vapor in air that is 35℃ and air that is 5℃, which temperature air has higher relative humidity?

They both have the same relative humidity

As air rises, what typically happens to the relative humidity ? (Hint: think about how the temperature of the air will change, and what this will cause).

The relative humidity increases

The relative humidity stays the same

A mixture of air and water (H 2 O)

Humidity and Relative Humidity

Authored by Isaac Newton

Science

6th - 8th Grade

NGSS covered

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30 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The amount of water vapor in the air is known as ___.

dew point

humidity

precipitation

cloud

Tags

NGSS.MS-ESS2-6

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which one of the following is an accurate relative humidity reading?

32 degrees

24 mL

45%

15 NW

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which will hold more water, warm air or cold air?

Warm Air

Cold AIr

Tags

NGSS.MS-PS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The warmer the air the __________ water vapor it can hold.

less

Tags

NGSS.MS-ESS2-6

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which cylinder represents the warmest air?

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which cylinder represents the highest relative humidity?

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-4

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What does high absolute humidity mean?

It is cold.

It is hot.

There is a little water vapor in the air.

There is a lot of water vapor in the air.

Tags

NGSS.MS-ESS2-5

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Humidity and Relative Humidity

The amount of water vapor in the air is known as ___.

Which one of the following is an accurate relative humidity reading?

Which will hold more water, warm air or cold air?

The warmer the air the __________ water vapor it can hold.

Which cylinder represents the warmest air?

Which cylinder represents the highest relative humidity?

What does high absolute humidity mean?

Which type of air has more kinetic energy?

Which sponge is a good representation of hot air?

If you were to take a sponge with water in it and squeeze it, this could be used to model which process in nature?

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