Chapter 1 Section 1-3 Flashcards

(70 cards)

1
Q

What is the condition of Earth’s Atmosphere at a Particular Time and Place?

A

Weather

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2
Q

What is the layer of gases that surrounds the planet?

A

Atmosphere

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3
Q

What makes the condition on Earth suitable for life?

A

The Earth’s Atmosphere

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4
Q

The Earth’s Atmosphere contains _______ and ______ _____ that living things need to live.

A

Oxygen; Other Gases

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5
Q

What is the Atomic Number of Nitrogen?

A

7

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6
Q

What does “Atomic Number” mean?

A

The number of electrons and protons

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7
Q

What is the Atmosphere made up of?

A

Mixture of Atoms and Molecules

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8
Q

What is included in the mixture that makes up the Atmosphere?

A
N2
O2
CO2
H20
Vapor
Other Gases
Particles of Liquids and Solids
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9
Q

What is the Atomic Mass of Nitrogen?

A

14.01 AMU

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10
Q

“AMU” stands for:

A

Atomic Mass Units

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11
Q

The Scientific Method is

a. a set of questions and answers
b. a series of procedures used to solve a problem
c. a huge problem scientists have been trying to solve for hundreds of years
d. a series of scientific questions used in all areas of science

A

b. a series of procedures used to solve a problem

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12
Q

A Materials list is part of:

a. Hypothesis
b. Analysis
c. Experiment
d. Conclusion

A

c. Experiment

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13
Q

The ______variable is adjusted in an experiment

A

Independent

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14
Q

________ is using observations to explain something

A

Inference

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15
Q

The Control in an experiment is:

a. a standard for comparison
b. the factor that doesn’t change
c. the factor that depends on the independent variable
d. the factor that is adjusted by the experimenter

A

a. a standard for comparison

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16
Q

Nitrogen makes up ___% of the Earth’s atmosphere

A

78

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17
Q

What is the most abundant gas in the atmosphere

A

Nitrogen

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18
Q

What is essential to repair body cells

A

Nitrogen

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19
Q

Clouds form when ______ _______ condenses.

A

Water Vapor

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20
Q

What is the second most abundant gas in the atmosphere?

A

Oxygen

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21
Q

What is the Atomic Number for Oxygen?

A

8

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22
Q

The “Atomic Number” refers to the number of _______ and _______

A

electrons and protons

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23
Q

What is the symbol for Oxygen

A

O

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24
Q

Oxygen has how many AMU

A

16

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25
Plants and Animals take Oxygen directly from ______ and use it as _____.
Air; Food
26
6CO2 + 6H2O -> C6H12O6 + 6O2
Photosynthesis
27
What are harmful substances in the air, water, and soil?
Pollutants
28
Pollutants are found in _____, ______, and ______.
Air, Water, and Soil
29
A brownish haze that is a mixture of ozone and other chemical formed when nitrogen oxides, hydrocarbons and other pollutants react with each other in the presence of sunlight - what is this?
Photochemical Smog
30
A brownish haze that is a mixture of _______ and other chemical formed when nitrogen _______, hydrocarbons and other pollutants react with each other in the presence of sunlight - this is Photochemical Smog
ozone | oxides
31
What is rain that contains more acid than usual?
Acid Rain
32
The amount of mass of an object
Density
33
The force pushing on an object.
Pressure
34
Air Pushing on an object
Air Pressure
35
Instrument that measures air pressure
Barometer
36
Aneroid Barometer
A Barometer that Looks like a compass
37
What is a mercury barometer?
Barometer that uses tube and dish
38
What is "Altitude"?
Height above or below sea level
39
The amount of mass to a substance to a given volume
Density
40
The force pushing on an area or surface
Pressure
41
A force that is the result of the weight of a column of air pushing down on an area
Air Pressure
42
An instrument used to measure changes in air pressure
Barometer
43
An instrument that measures changes in air pressure consisting of a glass tube partially filled with mercury with its open end resting in dish of mercury.
Mercury Barometer
44
A Mercury Barometer is an instrument that measures changes in air pressure consisting of a ____ tube partially filled with _____ with its ______ end resting in dish of mercury
Glass Mercury Open
45
An instrument that measures changes in air pressure without using a liquid.
Aneroid Barometer
46
How does the Aneroid Barometer work?
Changes in the shape of an airtight metal box cause a needle on the barometer dial to move.
47
Motor vehicles and factories or power plants that burn coal or oil produce air pollution.
Sources of Air Polution
48
Sources of air pollution include: | Motor vehicles and factories or ______ plants that burn _____ or ______produce air pollution
power coal oil
49
Particles come from ____sources and _____ activity
natural | human
50
Examples of Natural Sources are a. lollipops b. the coffee pot c. forest fires d. volcanoes e. soil erosion f. a and b g. c, d and e
g. c, d and e
51
Examples of Human Activities Include: a. the burning of fossil fuels b. farming c. construction d. lollipops e. the wizard of oz f. a, b, and c
f. a, b, and c
52
_______ forms when particles in coal smoke combine with water droplets in humid air.
Smog
53
________ ________ forms when Nitrogen oxides and sulfur oxides combine with water in the air to form nitric acid and sulfuric acid.
Acid rain
54
Air has mass, therefore, it has ________.
Density
55
Density =
Mass/Volume
56
Column of Air above you all of the time and is pushing down on an area
Air pressure
57
If air pressure is falling what does that usually mean about the weather?
A storm is coming
58
If air pressure is rising, what does that usually mean for the weather?
Weather is clearing
59
What were the first barometers called?
Mercury Barometers
60
The air pressure ________ as altitude increases.
Decreases
61
As air pressure decreases, so does _________
Density
62
If there is a stack of 10 books, which has more weight on it, the second book from the top or the book at the bottom?
Book on the bottom
63
Think of the book example... Air at sea level is like which book?
The bottom book.
64
Think of the book stack example... The air near the top of the atmosphere is like which book from the top: a. 2nd b. Bottom
a. 2nd
65
Why is it harder to breathe at higher altitudes?
Air is less dense at high altitudes and there are fewer oxygen molecules to breathe in each cubic meter of air than at sea level.
66
What are three properties of air?
Mass Density Pressure
67
Air pressure decreases as altitude _______. | As air pressure decreases, so does __________.
Increases | Density
68
A barometer is used to measure a. smog b. density c. temperature d. air pressure
d. air pressure
69
The most abundant gas in the atmosphere is_____.
Nitrogen
70
True or False: | Plants need carbon dioxide from the atmosphere to make food.
True