(Select two correct answers) Identify the correct statements that explains how algae bloom affect the ecosystem.

Algae bloom can contribute to marine die-off and marine dead zones.

Drinking water is unsafe during high level

Algae bloom are wanted in areas to help purify drinking water.

Algae bloom are a long-lived phenomenon that has no effect on the ecosystem.

The BP Oil Spill was the most massive oil spill in U.S. history. The cause of the discharge was an explosion on the Deepwater Horizon oil rig in the Gulf of Mexico. Identify the sphere(s) that were affected.

Hydrosphere, Atmosphere, Geosphere, & Biosphere

What is the purpose of an oil boom?

Helps to contain an oil spill on the water

(Select two correct answers) Identify the advantages to recycling.

Reduces amount of waste at landfills

What is the Great Pacific Garbage Patch ?

Ocean trash collected in the Pacific Ocean

A patch of plants in the Pacific Ocean

A patch of trash in Lake Michigan

A group of people that cleans up ocean garbage

The construction of dams also sometimes poses serious social problems by displacing people in upstream areas. Which of the following are negative trade offs that come with damming a river?

dams slow the movement of water, increasing sedimentation, lowering levels of dissolved oxygen, and changing patterns of nutrient transport

dams contribute to changes in downstream coastal ecosystems

dams affect migratory patterns of fish species

(Select 2 answers!) Think back to the lesson involving the peppered moth. Read the following statement and identify the correct answers. "After a few theories on why there were so many dark moths, scientists discovered the real reason for the large population."

The dark color was caused by a mutation in the DNA of a single moth.

The chemicals in the smoke lightened the moths.

The light moths were able to dominate.

Identify the BEST definition for natural selection.

Species that are better adapted to their environment tend to survive and have more offspring.

An entire species becomes extinct.

A species will continue in a harsh environment, but will eventually die out.

A difference in a species doesn't allow the individual to live long at all.

Which of the following statements is NOT a benefit of strip mining.

Forests are removed during strip mining.

Strip mining is safer than mining underground.

Provides jobs for the surrounding community.

Which of the following describes Ocean Acidification?

increasing the pH of the oceans

going to solve the global warming crisis

Identify the disadvantage of solar energy.

Energy is only generated when the sun is shining.

It is an alternative to fossil fuels.

Reduced impact on the environment.

It is a renewable source of energy.

If the resources on earth remain constant, but the population continues to grow, ___________________________________________________.

There will be fewer resources available for each person to use

The resources on Earth will grow at a faster rate

There will be more resources available for each person to use

The resources on Earth will grow at a slower rate

Reading Comprehension: A POLLUTED WORLD The environment has been polluted in many different ways. The three major ways are water, land and air pollution. Water pollution is the contamination of lakes, caused by human activities. It can be harmful to organisms and plants which live in the water. Water pollution occurs when wastes are discharged from wastewater treatment plants. Other known causes are factory wastes or leaking underground tanks. These can be chemical substances that are toxic. The polluted water can cause cholera and typhoid fever. Water pollution has led to the deaths of more than 14,000 people daily. Land pollution is the destruction of the earth’s land surfaces. It is often caused by human activities such as careless disposal of wastes, over-mining of minerals and wrong use of land for planting. All these will affect our health in the long run. They will lead to all kinds of diseases such as cancer, heart disease and breathing problems. Land pollution also brings about natural disasters such as flash floods and landslides. Air pollution is also the result of human activity where chemicals and other dangerous materials are released into the air. This happens through the release of carbon monoxide gas from exhaust pipes of motor vehicles. Other gases such as sulphur oxides are released from the burning of coal and oil. High air pollution levels can cause damage to the environment. It also brings discomfort to humans and other living organisms. In the long term, air pollution can cause serious breathing problems, lung cancer and heart disease.

This is the article. Wanted you to be familiar with it!

Part B-Unit 7 Exam: 30-Question Practice Test (9th Grade)

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

The Biosphere includes:

rocks and land

water

plants

living things

Tags

NGSS.MS-LS2-3

2.

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

The Hydrosphere includes:

water

animals and plants

air

nonliving things

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

The Atmosphere includes:

earths crust and mantle

the layer between earths crust and space

continental and oceanic crust

all living things

Tags

NGSS.MS-ESS2-4

4.

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

The Cryosphere includes:

air and land

living things

solid water

marine animals

Tags

NGSS.MS-ESS2-4

5.

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

Another term for Geosphere is

Atmosphere

Asthenosphere

Cryosohere

Lithosphere

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS3-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

When plants take carbon dioxide from the air, which two spheres are interacting?

Biosphere & Atmosphere

Hydrosphere & Atmosphere

Geosphere & Atmosphere

Biosphere & Geosphere

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

7.

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

As human activity has created more carbon dioxide in the atmosphere, all four of Earth’s spheres have been impacted. Which of the following spheres is where carbon can be stored in soils, sediments, and deposits deep within the Earth?

Hydrosphere

Geosphere

Biosphere

Atmosphere

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Part B-Unit 7 Exam

The Biosphere includes:

The Hydrosphere includes:

The Atmosphere includes:

The Cryosphere includes:

Another term for Geosphere is

When plants take carbon dioxide from the air, which two spheres are interacting?

As human activity has created more carbon dioxide in the atmosphere, all four of Earth’s spheres have been impacted. Which of the following spheres is where carbon can be stored in soils, sediments, and deposits deep within the Earth?

Once burned for energy, the carbon enters the _____________________ in the form of carbon dioxide.

Released carbon can be absorbed by the lakes, rivers, and oceans of the _________.

(Select two correct answers) Identify the correct statements that explains how algae bloom affect the ecosystem.

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