HMH Module

The property of water whereby molecules tend to stick to other objects is called:

• cohesion

• polarity

• dissolving ability

• adhesion

Estuaries are important because they:

• provide shelter for young organisms

• have LOTS of nutrients

• filter out pollution from the ocean

• all of the above

Which of the following contains MOST of the water on Earth?

• the oceans

• watersheds

• the atmosphere

• ice and aquifers

Large bodies of water do not quickly fluctuate in temperature. Why?

• Water is a solvent.

• Water has a high heat capacity because of it's specific heat

• Water acts as a buffer.

• Water is non-polar.

Tags

NGSS.HS-PS3-4

Evaporation happens when the sun ___________ water and turns it into vapor.

• cools

• heats up

• freezes

• lights up

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

During which stage do clouds form?

• condensation

• evaporation

• precipitation

Tags

NGSS.MS-ESS2-4

Deep ocean technology has discovered organisms in hydrothermal vents that do not rely on sunlight to survive. What do these organisms use as their energy source?

• chemosynthesis

• electrical charge

• hydropower

• thermal heat

Which of the following best describes why estuaries are important resources?

• They are the world's richest sources of precious metals.

• They are among the most productive types of ecosystems.

• They help stabilize the global climate.

• They prevent weathering of rock from slopes and cliffs.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-5

What is the main purpose for adding chlorine during the water treatment process?

• It improves the taste and odor of treated water.

• It kills disease-causing bacteria and microorganisms.

• It keeps the pH of treated water within an acceptable range.

• It removes traces of harmful metals such as lead.

Tags

NGSS.MS-PS1-2

Which best explains why a scientist would use nets to capture and count organisms in a river?

• to measure pH 

• to measure turbidity

• to measure biodiversity

• to measure temperature 

Tags

NGSS.MS-LS2-5