Oceanography Review

In which layer of the ocean does temperature change the most?

• Mixed Layer

• Thermocline

• Deep Water

• Temperature is consistant throughout

Which is not a reason that the ocean's are salty?

• Volcanic eruptions

• Rivers transporting salt on land to the ocean

• McDonald french fries being dumped into the ocean

The top most layer of the ocean is called:

• Thermocline

• Deep Water

• Mixed Layer

The bottom most layer of the ocean is called:

• Thermocline

• Deep Water

• Mixed Layer

In which layer of the ocean do phytoplankton (organisms that convert sunlight to energy) live?

• Thermocline

• Deep Water

• Mixed Layer

• They can live in all of them.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How salty are the oceans, on average?

• 25 g/mL

• 35 g/mL

• 45 g/mL

• 55 g/mL

What elements make up salt?

• Sodium (Na) and Chloride (Cl)

• Potassium (K) and Chloride (Cl)

• Sodium (Na) and Potassium (K)

• Carbon (C) and Iron (Fe)

Tags

NGSS.MS-PS1-1

Rocks at the mid ocean ridge are ______ while rocks at the coasts are ______.

• Hot, cold

• Cold, hot

• Old, young

• Young, old

Tags

NGSS.MS-ESS2-3

Ocean magnetic reversal is evidence of...

• Seafloor spreading

• A deep sea trench

• Ancient civilizations used magnets

• Big Bang Theory

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Which image shows a land breeze?

• The top image because the breeze is coming from the land

• The top image because the breeze is going to the land

• The bottom image because the breeze is coming from the land

• The bottom image because the breeze is coming to the land