Oceans Part 1

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

Tags

NGSS.MS-ESS2-1

Ocean water contains dissolved _____________, measure as salinity.

• minerals

• sediments

• salines

• salt

What do we call the measurement of how salty the ocean water is?

• saltiness

• oceanography

• density

• salinity

What is a gently sloping, shallow area of the ocean floor that extends outward from the edge of the continent?

• continental shelf
• continental rise
• continental slope
• seamount

What is a gently sloping, shallow area of the ocean floor that extends outward from the edge of the continent?

• continental shelf
• continental rise
• continental slope
• seamount

What is a gently sloping, shallow area of the ocean floor that extends outward from the edge of the continent?

• continental shelf
• continental rise
• continental slope
• seamount

What do you call a steep incline of the ocean floor leading down from the edge of the continental shelf?

• continental slope
• trench
• deep ocean basin
• continental rise

The amount of dissolved solids present in the water

• salinity
• chlorine
• nitrogen
• density

Tags

NGSS.MS-PS1-2

Select two reasons as to why salinity can DECREASE

• Evaporation because water is changing into water vapor leaving salt behind.

• Freshwater is added to ocean at the mouths of large rivers as they empty freshwater into oceans.

• Freshwater is added by rain, snow, and melting ice.

• Surface water freezes into ice, leaving salt behind.

Tags

NGSS.MS-ESS2-4

Select two reasons as to why salinity can DECREASE

• Evaporation because water is changing into water vapor leaving salt behind.

• Freshwater is added to ocean at the mouths of large rivers as they empty freshwater into oceans.

• Freshwater is added by rain, snow, and melting ice.

• Surface water freezes into ice, leaving salt behind.