What we've learned about Water

The development of a wave usually begins with

• currents

• wind

• gravity

• tsunamis

The top of a wave is its

• trough

• crest

• wave height

• wave length

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NGSS.MS-PS4-1

The bottom of a wave is its

• trough

• crest

• wave height

• wave length

The distance from the trough to the crest is the

• trough

• crest

• wave height

• wave length

Tags

NGSS.MS-PS4-1

The distance from one crest to another is

• trough

• crest

• wave height

• wave length

Waves caused by earthquakes or volcanic activity are called

• breakers

• rip currents

• longshore drift

• tsunamis

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NGSS.MS-ESS3-2

There are two high tides and two low tides every

• every year

• approximately every 24 minutes

• approximately every 24 hours

• approximately every 12 hours

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NGSS.MS-ESS1-1

Surface currents are driven mainly by

• breakers

• tides

• global winds

• tsunamis

Tags

NGSS.MS-ESS2-6

Sarah can float more easily in ocean water than in water in a swimming pool. Why is it easier for her to float in ocean water?

• ocean water is denser

• ocean water is deeper

• there is a larger volume of ocean water to float in

• she has a smaller mass in ocean water

How do deep ocean currents form?

• The form as warm, dense water sinks and flows beneath cold ocean water.

• They form as cold, dense water sinks and flows beneath warm ocean water.

• They form as warm, dense water sinks and flows with other warm ocean water.

• The wind blows causing the deep ocean currents.

Tags

NGSS.MS-ESS2-6