Unit 2 Oceanography

How many main oceans are there on Earth?

• 1

• 3

• 5

• 7

Ocean water has only chemical properties

• True

• False

The amount and type of dissolved salts in water is called

• saltyness

• salinity

• salt percentage

• solution

There are _____ distinct temperature layers by depth.

• 2

• 3

• 4

• 5

The warmest surface water is near the

• equator

• north pole

• south pole

Tags

NGSS.MS-ESS2-6

Select the ways that the ocean floor is studied.

• Sonar

• Satellites

• Underwater vessels

• Deep-Sea drilling

• Diving

The edge of the continent that is covered by the ocean is called the

• deep-ocean basin

• continental rift

• continental margin

• deep-sea rift

The area that begins at the end of the continental margin is called the

• deep-ocean valley

• deep-ocean basin

• deep-ocean rift

• deep-ocean landing

The properties of a wave include frequency, wave period, wave speed, and

• temperature

• size

• color

• salinity

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What is the part of the wave at #1?

• crest

• trough

• wavelength

• amplitude

Tags

NGSS.MS-PS4-1