Unit 6 Review

Why must humans clean water before using it? 

• Humans are unable to digest untreated river water
• River water is free of any contaminant or pollutants
• Untreated river water is brown and humans prefer clear water
• Clear water may contain contaminants that could harm humans
  

Listed below are things a farmer does to grow his crop. Which of the following are things that are harmful to watershed and pollutants into the water?

• Use fertilizer

• Water crops during the evening

Which of the following are beneficial human activity to our hydrosphere?

• Reducing water usage

• Increasing water usage

• Practicing Xeriscaping (style that uses little to no irrigation)

• Water during the middle of the day

Tags

NGSS.MS-ESS3-4

When looking at a watershed, we know rain water will eventually travel from __________ to __________

• High elevation, Low elevation

• Low elevation to high elevation

• water will pool at the top

Tags

NGSS.MS-ESS2-4

Why is overfishing a negative human impact?

• Humans consume to much mercury from fish impacting their health

• Humans fish faster then the fish can reproduce.

• Overfishing is not a negative human impact because it leads to biodiversity

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

NGSS.MS-LS2-4

Which plate boundary produces earthquakes and fault lines?

What are the three ways to increase rate of dissolution?

• Agitation

• Surface Area

• Increase temperature

• Radiation

Which rate of dissolution is the one where stirring/mixing happens?

• Agitation

• Surface Area

• Increasing Temperature

Water found underground is called __________

Tags

NGSS.MS-ESS3-1

Water found on the surface is called_____________

Tags

NGSS.MS-ESS2-4