Which of the following is MOST true about saltwater?

• It is less dense than freshwater.

• It is more dense than freshwater.

• It has the same density as freshwater.

• It has no density.

When it rains, a portion of the water seeps into the ground to replenish the Earth's

• unsaturated zone.

• water table.

• permeability.

• groundwater (aquifers).

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

What is the relationship between salinity and the density of water?

• The density of freshwater is exactly the same as the density of saltwater

• As the salinity decreases, the density increases

• As the salinity increases, the density increases

• Density and salinity are not related

Which natural force creates surface currents?

• Gravity

• Wind

• Sunlight

• Waves

Tags

NGSS.MS-ESS2-6

What is the energy source for the water cycle?

• Wind from the Earth's rotation

• Heat from the sun

• Gravity from the moon

• Heat from the Earth's core

Tags

NGSS.MS-ESS2-4

What two elements are the most abundant in salt water in the ocean?

• Acid Rain

• magnesium and calcium

• Chloride and Sodium

• Condesation of lakes and rivers

Tags

NGSS.MS-PS1-1

The section of the ocean floor that is flat and extends from the shore to beneath the ocean ?

• continental slope

• abyssal plain

• deep ocean trench

• continental shelf

Tags

NGSS.MS-ESS2-3

Which process in the water cycle happens when cool air causes water vapor to change to liquid water ?

• condensation

• evaporation

• transpiration

• infiltration

Tags

NGSS.MS-ESS2-4

What happens to the temperture and pressure as you descend to the bottom of the ocean?

• temperature increases and pressure decreases

• temperature decreases and pressure increases

• temperature and pressure increase

• temperature and pressure decrease

Tags

NGSS.MS-PS3-4

Where would you find the greatest pressure?

• Abyssal plain

• Continental shelf

• Continental slope

• Ocean Trench