Science 8 Review

Oceans cover about ______ of the surface of the earth.

• 60%

• 70%

• 80%

• 90%

There are _____ oceans in the world

• 4

• 6

• 5

• 9

The following are the oceans according to size

• Pacific, Atlantic, Indian, Arctic, Antarctic

• Pacific, Indian, Atlantic, Arctic, Antarctic

• Atlantic, Pacific, Indian, Antarctic, Arctic

• Pacific, Atlantic, Indian, Antarctic, Arctic

Smaller bodies of salt water are called

• seas

• lakes

• oceans

• rivers

The deepest parts of the ocean are called

• trenches

• abyss

• deep sea plain

• guyot

Seas, bays, channels and gulfs are other bodies of _____

• salt water

• fresh water

• swampy water

• loamy water

Winds blowing across the surface of the oceans and seas cause them to move in ripples called ________

• tides

• waves

• current

• motion

Tags

NGSS.MS-ESS2-6

The geographic name for the steep change just beyond the continental plain.

• continental slope

• continental rise

• abyssal plain

• oceanic trench

What does salinity measure?

• ocean temperature

• amount of salt in water

• ratio of mass to volume

Select the most dense option below.

• warm, 15% salty water

• cold, 15% salt water

• warm 5% salty water

• cold, 5% salty water