Hydrology

Which would indicate the water in a lake is not safe for drinking?

• Many varieties of fish in the lake

• high dissolved - oxygen levels in the lake

• cold water temperature of the lake

• high turbidity levels in the lake

Which supports the theory that some mountains were once at the bottom of an ocean?

• There are underwater mountains on the ocean floor today.

• Freshwater rivers flow to the ocean.

• Fossils of marine organisms are found on the tops of some mountains.

• Both mountains and ocean floors have similar minerals in their rocks.

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Which best explains why all of the Earth’s freshwater is not available for human use?

• Most of Earth's freshwater is only in lakes.

• Most of Earth's freshwater is underground.

• Most of the Earth's freshwater is still in the water cycle.

• Most of Earth's freshwater is frozen water.

How can upwellings improve fishing for ocean fishermen?

• They cause the ocean water to get warmer.

• They cause the ocean currents to remain calm.

• They bring nutrients from the cold deep ocean waters.

• They bring ocean currents from the equator.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

If a lake has excess levels of phosphates and nitrates in its water, what will most likely result?

• The temperature of the lake water will decrease.

• The turbidity levels of the lake will decrease.

• The dissolved- Oxygen levels in the lake will increase.

• The growth of algae in the lake will increase.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which is the best reason for scientists to study ice cores obtained from Earth’s ice caps?

• To evaluate potential oil drilling sites

• to study the quality of water stored in glaciers

• to determine the rate of melting in polar regions

• to study past climates by analyzing trapped gases and particles

Tags

NGSS.HS-ESS1-6

Which action shows concern for the environment with regards to the resources of the oceans?

• Developing technology which will allow for an increase in fish harvesting

• Allowing factories to release untreated wastewater into the oceans

• Filling the oceanfront wetlands in order to extend beachfront properties

• Setting limits on fish harvesting in the oceans

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-5

Which allows scientists to investigate what Earth’s climate was like over the past 740,000 years? A volcanic deposits B fossils C faults D ice cores

• Volcanic deposits

• Fossils

• Faults

• Ice Cores

Where is most of Earth’s freshwater located?

• In the clouds

• In the ice caps

• In the ocean

• In the ground

Tags

NGSS.MS-ESS2-4

Which characteristic of water quality provides the most information regarding the health of a water system? A clarity B temperature C concentration of heavy metals D presence of indicator species

• clarity

• temperature

• concentration of heavy metals

• presence of indicator species