8.11C

What are all the factors that affect the amount of runoff?

• area receives, type of soil, shape of land, vegetation
• air, water, ice, dirt
• type of percipitation , shape of land, vegetation

Tags

NGSS.MS-ESS2-4

What do we call the land area that supplies water to a river system?

• runoff
• recharge
• watershed
• valley

What do we call water that flows over the ground surface rather than soaking in?

• runoff
• discharge
• recharge
• tributary

Approximately 75 percent of the Earth's surface is covered in water. So why is water considered such a precious resource?

• The greenhouse effect is causing most of the world's freshwater to be trapped in the atmosphere
• Only a small fraction of the Earth's water is freshwater available for drinking and irrigation
• Each year, more freshwater is being trapped in icecaps located at the North and South Poles
• Global warming caused by greenhouse gas emissions will likely cause Earth's oceans to evaporate

Humans often change ecosystems as a result of population growth, consumption, and technology. Which of the following exemplifies a way in which humans modify ecosystems? 

• factory and automotive emissions causing acid rain 
• redirecting and storing freshwater behind dams 
• cutting down trees to build new buildings and roads 
• all of these

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

Who causes the most damage to coral reefs?

• Whales
• Fish
• Boats
• Humans

Tags

NGSS.MS-ESS3-4

How can we protect the coral reef even if we don't live near it?

• Don't do anything
• Go diving and take fish out
• Don't throw anything in the ocean
• Clean the reefs with soap

a man made, underwater structure that promotes the growth of reef dwelling aquatic organisms.

• Corral reefs
• Artificial reefs
• organisms
• food

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

taking more fish out of an ecosystem than can be replaced by the reproductive rates of the remaining populations.

• extint
• fishing
• over fishing
• over population

Tags

NGSS.MS-LS2-1

Any process (like wind or rain) that breaks down rock & soil down into smaller piece (without changing its chemical composition).

• chemical weathering
• physical weathering
• erosion
• groundwater