What is the thermocline?

• A horizontal space in water where temperature changes drastically

• A vertical space in water where temperature changes drastically

• A horizontal space in water where salinity changes drastically

• A vertical space in water where salinity changes drastically

Tags

NGSS.MS-PS3-4

This zone of the ocean gets the most sunlight, so it has the most plants that need to undergo photosynthesis.

• Surface Zone

• Transition Zone

• Deep Zone

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the most common type of salt in the ocean?

• Sodium Carbonate (NaC)

• Sodium Chloride (NaCl)

Tags

NGSS.MS-PS1-1

What is a Ocean ridge?

• a seafloor mountain system formed by plate tectonics

• an underwater plain on the deep ocean floor

• formed by eruptions of volcanoes on the ocean floor

• a portion of a continent that is submerged under an area of relatively shallow water

Tags

NGSS.MS-ESS2-2

What is one way that you can stop pollution?

• Participate in beach clean ups

• Throw oil into the ocean

• Overfish

• Use more fertilizer on your crops

Tags

NGSS.MS-ESS3-3

Do you like Earth science?

• Yes, definitely

• Yes

• No

• Absolutely not

As the amount of CO2 in the atmosphere/oceans increases, the acidity of the ocean _____________.

• Decreases

• Increases

Tags

NGSS.MS-LS2-4

What molecule in the ocean is needed to make sea shells and can be negatively affected by carbonic acid (acid made from water and co2)?

• Carbonate (CO3)

• Oxygen (O2)

• Hydrogen (H)

• Carbon dioxide (CO2)

Tags

NGSS.MS-PS1-2

Where does majority of the salt in the oceans come from?

• weathering of rocks on land

• melting of glaciers in the poles

• movement of the oceans currents

• depth of the ocean

Ocean water contains dissolved _____________, measure as salinity.

• minerals

• sediments

• salines

• salt