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- Effects Of Humans And Other Organisms On The Hydrologic Cycle
Effects of Humans and other organisms on the Hydrologic Cycle
Authored by Lacy McAllister
Science
6th Grade
NGSS covered
Used 5+ times
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24 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which two effects will drilling many wells have on the existing hydrologic cycle?
Drilling many wells will lower the water table.
Drilling many wells will speed up the water cycle.
Drilling many wells will cause water to evaporate faster.
Drilling many wells will prevent water from entering the ground.
Drilling many wells will cause less water to flow into lakes and streams.
Answer explanation
Drilling many wells lowers the water table by extracting groundwater, which reduces the amount of water available for lakes and streams, leading to less water flow into these bodies. This disrupts the hydrologic cycle.
Tags
NGSS.MS-ESS2-4
NGSS.MS-ESS3-1
NGSS.MS-ESS2-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these would be the best way to measure the effect that removing many trees in the area would have on the hydrologic cycle?
Measure and compare the speed and direction of wind in the area before and after the trees are removed.
Count the number of animals in the area before and after the trees are removed.
Record the temperature changes in the area before and after the trees are removed.
Measure and compare the amounts of precipitation and surface water runoff in the area before and after the trees are removed.
Answer explanation
Measuring precipitation and surface water runoff before and after tree removal directly assesses changes in the hydrologic cycle, as trees influence water absorption and evaporation rates, making this the best method.
Tags
NGSS.MS-ESS2-4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one method to determine if people use more water before or after trees are removed?
Conduct a soil test
Measure tree height
Survey the people living in the area
Analyze leaf color
Answer explanation
Surveying the people living in the area is effective for understanding water usage changes before and after tree removal, as they can provide firsthand accounts of their water consumption patterns.
Tags
NGSS.MS-LS2-4
NGSS.MS-LS2-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you measure the impact of tree removal on precipitation and surface water runoff?
Count the number of trees
Measure and compare the amounts of precipitation and surface water runoff
Observe the wildlife activity
Check the temperature changes
Answer explanation
To measure the impact of tree removal, it's essential to measure and compare the amounts of precipitation and surface water runoff. This directly assesses how tree removal affects water dynamics in the environment.
Tags
NGSS.MS-ESS3-4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following statements best describes an animal impacting the hydrologic cycle?
Water from precipitation is absorbed into an animal's fur and is then released inside the animal's body.
When an animal breathes out, water vapor from inside the animal's lungs is released into the air.
Water that an animal drinks to keep their body healthy is permanently removed from the hydrologic cycle.
When an animal digs a burrow, it disrupts the environment and stops water from evaporating in that area.
Answer explanation
The correct statement highlights that when an animal exhales, it releases water vapor, contributing to the hydrologic cycle. This process is part of how water moves through the environment, unlike the other options which misrepresent animal impacts.
Tags
NGSS.MS-ESS2-4
NGSS.MS-ESS2-1
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
John covered the leaves of an outdoor plant with a clear, plastic bag. He then tied the bag shut around the stem of the plant. At the end of the day, he observed that the inside of the plastic bag was covered with moisture and was difficult to see through, as shown in the image.
What caused the inside of the plastic bag to become covered with moisture?
The stem of the plant was unable to absorb water in the air because the bag was tied to it.
The Sun condensed the water that was trapped in the air when the bag was tied on the plant.
Water from the air seeped into the bag and became trapped on the inner surface.
Water vapor transpired from the leaves of the plant and became trapped in the bag.
Answer explanation
The moisture inside the bag is due to water vapor that transpired from the leaves of the plant. When the bag was sealed, this vapor became trapped, leading to condensation on the inner surface.
Tags
NGSS.MS-ESS2-4
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Engineers build dams to control the water in a river or generate renewable energy. A dam blocks the natural flow of the river, which causes water to store above the dam and create a lake. The water can be released from the dam if the engineer opens the gates that block the water. A diagram of a dam is shown.
How could the dam negatively impact the surrounding environment?
New species of fish could move into the ecosystem below the dam and compete for food supplies.
The number of plants that live in the ecosystem below the dam could decrease because there is too much water.
Small streams below the dam could dry up and cause a drought in the river ecosystem.
The ecosystem below the dam could have an increase in rainfall, which could cause flooding.
Answer explanation
The correct choice highlights that small streams below the dam could dry up, leading to drought conditions in the river ecosystem. This occurs because the dam alters the natural flow of water, impacting local habitats.
Tags
NGSS.MS-LS2-4
NGSS.MS-ESS3-4
NGSS.MS-LS2-5
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