5th - Science Unit 7 Lesson 1 Flashcards Preview

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Flashcards in 5th - Science Unit 7 Lesson 1 Deck (34)
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0
Q

Clouds form from

A

Water vapor

1
Q

Water vapor particles rise up and

A

Lose heat energy.

2
Q

As clouds become colder, they

A

Lose speed and cuddle up.

3
Q

The water vapor particles condense around tiny particles of dust to form clouds when

A

The water vapor particles slow.

4
Q

The appearance of a cloud depends on

A
  1. How high it forms

2. What the temperature is

5
Q

Cirrus clouds form

A

At the highest altitudes.

6
Q

Cirrus clouds are formed from

A

Ice crystals when liquid is cooled at 0 degrees C or 32 degrees F.

7
Q

Cirrus clouds appear

A

Fuzzy and wispy.

8
Q

Cumulus clouds are formed at

A

Middle altitudes.

9
Q

Cumulus clouds appear

A

Puffy.

10
Q

Stratus clouds are formed at

A

Low altitudes.

11
Q

Stratus clouds appear

A

Layered.

12
Q

Lower clouds form from

A

Water droplets.

13
Q

Lower clouds appear

A

Gray and black.

14
Q

Why do lower clouds appear this way?

A

They are so dense the sun can’t pass through.

15
Q

Fog is

A

A thick mist.

16
Q

When does fog form?

A

When the temperature near the ground is cold.

17
Q

Clouds in the air contain

A

Water droplets.

18
Q

When do clouds become thick and gray?

A

When the droplets collide.

19
Q

When do the drops from the clouds fall to the ground as precipitation?

A

When they become heavy.

20
Q

What is liquid precipitation?

A

Rain

21
Q

What forms when the air temperature is below the freezing point of water?

A

Solid precipitation

22
Q

What are the three types of solid precipitation?

A

Hail, sleet, and snow

23
Q

When does hail form?

A

In severe thunder storm clouds.

24
Q

When is sleet formed?

A

When rain drops fall through a layer of cold air.

25
Q

When does snow form?

A

When the air temperature is close or at freezing (below degrees).

26
Q

How is precipitation measured?

A

In centimeters or inches

27
Q

How is rain measured?

A

Using a rain gauge.

28
Q

Is a container that has a scale?

A

Rain gauge

29
Q

How is snowfall measured?

A

Using a meter stick or inch stick

30
Q

Why is a meter stick or inch stick not always accurate?

A

Because snow melts and winds drift.

31
Q

When does precipitation fall as rain?

A

When air temperature ……

32
Q

The weather in an area is affected by?

A

The air mass that is passing over the area.

33
Q

A front happens when….

A

One air mass meets ….another (?)

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