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Topic #1 Review Earth Science Flashcards | StudBud
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Topic #1 Review Earth Science
Topic #1 Review Earth Science
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Observation vs. Inference, D=M/V, & Rate of Change
Flashcards
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Questions
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Answers
1
A sky diver falls 535 meters in 15 seconds. Calculate the rate of change.
36 m/sec
15 m/sec
23 m/sec
19 m/sec
2
Which material has the greatest density?
dry air
water
granite
iron
3
Mineral: 3.0 g/cm
3
. Broken 2 pieces, with one piece 2x as large. Smaller piece density of
1.0 g/cm3
6.0 g/cm3
3.0 g/cm3
1.5 g/cm3
4
If sample C were compressed, which would probably occur?
Volume would decrease & the density would increase
Volume would decrease & the density would decrease
Volume would increase & the density would increase
Volume would increase & the density would decrease
5
A student classifies several objects. The classification system is based on
Interpretations
Hypotheses
Observations
Inferences
6
If sample B were split in half, what would be the density of each piece?
1.5 g/cm3
6.0 g/cm3
1.0 g/cm3
3.0 g/cm3
7
The best example of a noncyclic event is
a volcanic eruption
an apparent star movement
a change of seasons
a phase change of the moon
8
Which order of letters ranks the samples by volume from largest to smallest?
C, A, B
A, C, B
C, B, A
A, B, C
9
The path of the ash cloud was most probably determined by
Hypothesis
Observation
Theory
Inference
10
What will happen when the objects are placed in a container of water?
Both objects will float
Object B will float and object A will sink.
Both objects will sink.
Object A will float and object B will sink
11
What is the average rate of cooling for the water in the beaker during the 8 min time interval?
4.0 Co/min
3.2 Co/min
4.5 Co/min
3.6 Co/min
12
What was used to classify the substances ? A-water & gasoline B -aluminum & ice C-air & oxygen
specific heat
chemical composition
abundance within the Earth
state (phase) of matter
13
If the sphere is heated to a temperature below its melting pt., which is most likely to occur?
Volume will increase, but its density will decrease.
Both the volume & density will increase
Both the volume & density of the sphere will decrease
Volume will decrease, but it's density will increase
14
What is the density of the liquid?
1.00 g/mL
1.30 g/mL
1.05 g/mL
0.95 g/mL
15
In which phase (state) do most Earth materials have their greatest density?
gaseous
liquid
solid
16
Which statement about the stream is most likely an inference?
Depth is different at various distances from the streambank.
Water level of the stream will rise after the next rainfall.
Velocity of stream is greatest near the outside of a curve
The stream water is dark brown.
17
4 different liquids, W, X, Y, & Z. Quartz density of 2.7 g/cm
3
is released, will pass through
W, but not X, Y or Z
W, X, and Y, but not Z
W and X, but not Y or Z
W, X, Y, and Z
18
Which description of change is most closely associated with ocean tides & moon phases?
cyclic and predictable
cyclic and unpredictable
noncyclic and predictable
noncyclic and unpredictable
19
Rock started at 50 km above sea level & ended at 23 km above sea level in 5 days. Caculate ROC:
3.1 km/day
5.4 km/day
7.2 km/day
14.6 km/day
20
We examined a patch of mud with footprints. Which statement is most likely an inference?
Depth of the deepest footprint is 3 centimeters
There are five footprints in the mud.
Footprints were made by a dog
Footprints are oriented in a east-west direction
21
In order to make the balloon rise, the density of the gas put inside the balloon must be
more than the density of the air at sea level
less than the density of the air at sea level
the same as the density of the air at sea level
22
What is the actual length of any one side of the cube?
8.0
1.0 cm
3.0 cm
2.0 cm
23
What is the mass of this object if it's density is 3 g/cm
3
?
2 g
18 g
0.5 g
36 g
24
What is the density of this mineral?
6.0 g/cm3
9.0 g/cm3
4.5 g/cm3
10.0 g/cm3
25
The graph shows the greatest increase in population between
1975 and 2000
1875 and 1900
1825 and 1850
1925 and 1950
