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8th Science, Williams > Chapter 9 > Flashcards

Chapter 9 Flashcards

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1
Q

Material Resource

A

Raw materials

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2
Q

What does Energy Resource mean?

A

When you convert materials into energy

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3
Q

Describe how people use natural resources

A

People use them for power, energy, jewelry, food, life, breathing (air)

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4
Q

Compare and contrast the types of renewable and nonrenewable resources

A

Renewable - resources that are generated faster than we use them
Nonrenewable - Energy that we use faster than it is being replenished

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5
Q

What are types of renewable energy?

A 
Solar power
Wind and Tidal power
Hydroelectric power
Geothermal energy
Forests
Biomass Energy (plant or wood waste)
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6
Q

What are types of nonrenewable energy?

A

Fossil Fuels like coal oil and natural gas
Nuclear energy
Minerals

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7
Q

Describe ways to conserve resources

A

Use less stuff
Reduce, reuse, and recycle
Conserve resources
Use less of nonrenewable resources and instead use other, renewable resources

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8
Q

Define Urbanization

A

When towns and cities get larger as more people inhabit those areas

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9
Q

What is urban sprawl?

A

The uncontrolled development of urban areas

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10
Q

What is crop rotation?

A

Planting different crops on a field to improve soil quality

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11
Q

What is an organic farm?

A

A farm that uses only natural fertilizers and pesticides to protect the crops from different harmful things

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12
Q

What is contour plowing?

A

Plowing along the natural contours of the land

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13
Q

What is strip farming?

A

Growing alternating rows of a cultivated plants

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14
Q

What is no-till farming?

A

A way of growing crops without disturbing the soil by plowing and tilling

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15
Q

What is mine reclamation?

A

Restoring mines to a natural usable state

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16
Q

What is sustainable logging?

A

Where loggers balance the use of forest for wood production

17
Q

Describe the effects of urbanization on the environment

A

The concrete absorbs heat and makes things more hot, it increases pollution, increases the number of landfills, increases flooding, it makes sound pollution

18
Q

Describe how industry and agriculture affect land resources

A

Industrial land uses hazardous chemicals that produce waste and create pollution

19
Q

Agricultural land use includes…

A 
Overgrazing
Chemical Fertilizer
Sustainable agriculture uses renewable resources while growing nutritious foods
Crop Rotation
Insect Resistant Crops
And Removing Weeds by Hand
20
Q

Identify ways to protect land resources

A 
Sustainable logging
Mine Reclamation
Government input includes: 
Protective acts
Preservatives
Green Spaces
21
Q

Describe how a farmer can practice stewardship?

A 
They can use sustainable agriculture to grow nutritious food instead of looking for money 
Things like:
Crop Rotation
Insect Resistant Crops
And Removing Weeds by Hand
22
Q

What is point source pollution?

A

When pollution can be traced back to a certain single point

23
Q

What is non-point source pollution?

A

When it is difficult to trace pollution back to a single source

24
Q

Describe how people use water

A

People use water to drink, for agriculture, for showers, for cooking, for livestock, pets, etc.

25
Q

Describe some ways to conserve water

A

Turn off faucets, use non-toxic cleaning supplies, take shorter showers, install drip water systems

26
Q

What is smog?

A

Where sunlight reacts with pollutants in the air to create the yellowish haze that is harmful in many ways

27
Q

What is chlorofluorocarbon (CFCs)?

A

Chemical ingredients that are used to make aerosol sprays, packing materials, and refrigerants

28
Q

What is ozone depletion?

A

When we use refrigerants and packing materials we create CFCs that contribute to ozone depletion.

29
Q

What is Global warming?

A

Earths temp has changed many times
It has warmed dramatically during the industrial revolution
Due to the release of greenhouse gasses (believed)

30
Q

Describe ways to reduce air pollution

A

Get electric cars
Be careful which refrigerant you use
Walk and bike
Use the right packaging materials

8th Science, Williams (2 decks)

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