Science Questions Flashcards

(72 cards)

0
Q

List three fossil fuels.

A

Coal, oil, and natural gas.

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1
Q

What is energy?

A

The ability to cause change.

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2
Q

What is coal, oil, and natural gas used for?

A

Coal: electricity
Oil:gasoline or other fuels
Natural Gas:heat buildings

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3
Q

What does coal contain and when does it begin forming? Explain.

A
  • coal begins to form when plants die in swampy areas.
  • deals plants are covered by more plants and water and sediment.
  • bacteria growth causes rapid breakdown
  • the breakdown will allow coal to form over millions of years
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4
Q

What is the first stage in the formation of coal called? What is it composed? What is true when it burns?

A

Peat-organic sediment-large amount of smoke is produced.

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5
Q

What is the first stage in the formation of coal called? What is true of lignite? What is true when it burns?

A

Lignite-soft, brown coal with less moisture-releases more energy and less smoke.

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6
Q

What is the first stage in the formation of coal called? What is true of bituminous? What is true when it burns?

A

Bituminous-compact,black,brittle;lots of suffer present-lots of heat and energy.

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7
Q

What is the first stage in the formation of coal called? What is true of anthracite? What is true when it burns?

A

Anthracite-highest amount of carbon-cleanest burning coal.

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8
Q

In the United States how much energy is derived from oil? Natural Gas? Coal?

A

Coal-22.7%
Natural Gas-23.6%
Oil-39.4%

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9
Q

What is natural gas mostly used for? Most oil mostly used for.

A

Natural Gas-heating and cooking

Oil-heating oil, gasoline, lubricants, and plastics

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10
Q

Describe how oil and natural gas forms.

A

Marine organisms called plankton die and fall to the sea floor. Similar to the way coal buried, sediment is deposited over them. The temperature rises within the depth of earth and increased heat eventually causes dead plankton to change to oil gas after they have been buried deeply in the sediment.

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11
Q

Why do oil and natural gas migrate upward through water-saturated rock?

A

They are less dense then the surrounding objects.

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12
Q

Why is natural gas found on top of oil in a reservoir?

A

Natural gas is composed of hydrogen particles that are lighter then oil.

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13
Q

What prevents oil and natural gas from reaching the surface.

A

Shale-impermeable rocks

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14
Q

What are reservoir rocks.

A

A place where petroleum and natural gas accumulate.

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15
Q

What two methods are used to remove coal from the ground.

A

strip Mining also known as open pit Mining

Underground Mining

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16
Q

How is oil and natural gas removed from the ground.

A

Pumping them out.

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17
Q

Describe the process of strip mining.

A

Layers of soil and rock are removed and pulled to one side, exposed coal is removed and loaded.

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18
Q

When is strip mining used.

A

When coal is close to the surface.

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19
Q

Describe drift mining.

A

Horizontal openings in the side of hills or mountains.

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20
Q

Describe slope mining.

A

Angled openings and air shaft are made in the side of the mountain.

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21
Q

How are oil and natural gas brought to Earths surface.

A

Pumped-drill wells-poles prevent caving in-equipment is instilled to get oil after drilling.

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22
Q

Current reserves of coal are of castes to last how long.

A

250 years

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23
Q

Current reserves of natural gas located to last how long.

A

310 years- or 60 more years then coal.

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24
List four ways to conserve fossil fuels.
Turn off lights Shut doors and windows tightly Run air conditions as little as possible Add more insulation
25
Describe the process by which nuclear energy is produced.
Large chamber-uranium fuel roods sit in a pool of cooling water, neutrons are fired into the fuel roods when the uranium atoms are hit.
26
Identify two disadvantages of nuclear energy.
Radioactive | Waste material has to be stored
27
Where does natural fusion take place.
Outside in the sun.
28
Describe the process of nuclear fission.
Materials of low mass are fused together to form a substance of higher mass.
29
Describe three ways solar energy is used naturally.
South facing windos Solar cells collect energy-calculators Global currents
30
What are two advantages of solar energy.
Experimental cars | Power products
31
What are two disadvantages of solar energy.
Does not work on cloudy days | Can not be stored in batteries
32
Identify several advantages of wind energy.
Nonpolluting Little environmental harm Produces no waste Free
33
List several disadvantages of wind energy.
Wind is to strong or to week Not pretty Kills wildlife Can wreck habitat
34
Identify a disadvantage of hydroelectric energy.
Erosion increase
35
Identify advantages of geothermal energy.
Found about everywhere
36
Identify disadvantages of geothermal energy.
Hot Destroys habitat Located deep in earth
37
How is gasohol formed.
Corn is changed from alcohol to ethenol. Ethanol can then be mixed with gasoline to form gasohol.
38
When is a mineral deposit considered an ore.
Must be in demand | Enough must be present to profitable
39
After the ore is mined from earths crust what happens.
It is crushed and waste rock is removed
40
After waste rock is removed what happens next.
The minerals are smelted
41
Identify three basic types of landforms.
Plains, plateaus, and mountains
42
What is true of plains. How much of the United States is plains.
Thick fertile soil and abundant gassy meadows. | Half of all of the U.S.
43
Identify two costal plans in the United States. Where is it located. Identify a characteristic of each.
Atlantic Costal Plain-Along the Atlantic Ocean-formed 70 million years ago. Gulf Costal Plain-the Gulf of Mexico-formed by sediment deposits in deltas.
44
What are where are the highest mountain in the world located. How do they do pair to mountains in the U.S.
Mount Everest in the Himalayas-more then 8,800 meters above sea level and the U.S. Is over 6,000 meters above sea level.
45
Identity a good example of a plateau in the United States. How did the Grand Canyon form from this plateau.
Colorado River Plateau-from erosion and rivers
46
How do folded mountains form.
Tremendous forces inside earth squeeze horizontal rock layers causing them to fold.
47
Identify two examples of folded mountians.
Appalachian Mountians | Rocky Mountians
48
Identify three locations for Upwarped Mountains.
Black Hills Southern Rocky Mountians Adirondack Mountains
49
How do Upwarped Mountians form.
Blocks of earth crust are pushed up by forces inside earths crust.
50
How do fault block Mountians form.
Huge tilted blocks of rock that are separated from surrounding igneous rocks fault
51
Identify two locations for fault-block Mountians.
Grand Tetons | Sierra Nevada
52
How do Volcanic Mountains form.
Molten materials reaches the surface deposit materials pile up until a cone structure is formed.
53
Identify two locations for volcanic mountains.
Mount St. Helens | Mount Shasta
54
When writing latitude and longitude what is written first.
Latitude and then longitude
55
How do we keep track of time.
By tracking earths movement in relation to the sun.
56
How many time zones are present on earth. How wide is each time zone.
24 | 15 degrees apart
57
How many time zones are in the U.S.
6 time zones
58
What is the international time zone. | Where is it located
Transition line for calendar days. | Near the prime meridian.
59
What happens if you reaves west across the international date line. East.
West-move forward one calendar day | East-move back one calendar day
60
What is an advantage and a disadvantage of a Mercator Projection.
Advantage-project correct shape of continents. | Disadvantages-the areas are distorted.
61
What is true of a Roberson Projection.
It shoes accurate continent shapes and more accurate land areas.
62
Identify an advantage of the Robertson Projection.
Less distorted near the poles.
63
When is a Conic Projection map used.Identify two maps made by conic projections.
To look at small areas | Road maps and weather maps
64
What is a contour interval.
The differences between two side by side contour lines.
65
What does small contour interval tell you about the land. Large
Small-fairly flat area | Large-mountain terrain
66
Identify three rules to remember when using topographical maps.
Contour lines close around hills and basins Contour lines never cross Contour lines form V's that point up stream when they cross streams
67
What does the following map scale mean | 1cm:80,000cm
One cm on the map equals 80,000 units of land
68
What is remote sensing.
A way of collecting information about earth from a distance.
69
Describe how Landsat satellite works.
The pictures can be used to make maps cover in show or evaluate impact.
70
Describe How GPS works.
It has 24 satellites and it sends singles
71
Identify three uses for GPS technology.
Track Wildlife Create detailed maps Find exact locations