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Science, Chapter 2
Test Description: Chapter 2
Instructions: Answer all questions to get your test result.
1) When evaluating a paper delivery, a homeowner would be most concerned about ________________.
A
the precision of the throws
B
the speed of the throws
C
the timing of the throws
D
the accuracy of the throws
2) A variable in an experiment that stays the same is a (n) _______________.
A
constant
B
control
C
independent variable
D
dependent variable
3) Scientific _____________ must be supported by observations and results from many investigations and are not ___________ absolute.
A
theories
B
systems
C
laws
D
constants
4) Limitations of models include _____________.
A
the ability to save time
B
the ability to test predictions
C
the tendency to change
D
ability to communicate
5) If you were to round off the measurement 2.33501 grams to three digits, you would get _____________.
A
2.33 g
B
2.34 g
C
2.35 g
D
2.36 g
6) A cubic centimeter can be expressed as ______________.
A
ct
B
cm^3 or cc
C
ccm
D
ccm3
7) A camera is an example of _________________.
A
technology
B
a scientific method
C
an experiment
D
a robot
8) SI units are useful because they are all related by multiples of _______________.
A
10
B
five
C
50
D
two
9) Science cannot answer questions about ________________.
A
distance
B
temperature
C
politics
D
the natural world
10) A bowler who always left the same three pins standing could be considered a(n) _____________ bowler.
A
accurate and precise
B
good
C
precise
D
accurate
11) _______________ materials are designed to get you to buy a product or service.
A
Scientific
B
Model
C
Advertising
D
Observed
12) Scientists must be impartial and not base their conclusions on ______________.
A
opinions
B
evidence
C
experiments
D
models
13) Models can be used to describe which of the following environments?
A
volcanoes
B
the floor of the ocean
C
all of the above
D
space
14) A millisecond is to a second as one is to ________________.
A
100,000
B
10
C
100
D
1,000
15) The value of the boiling point of water on the Kelvin scale is __________ the value of the boiling point of water on the Celsius scale.
A
10 times
B
higher than
C
lower than
D
equal to
16) When you measure something in meters cubed, you are measuring ______________.
A
mass
B
volume
C
length
D
area
17) The advantage data in a table has over data presented in a paragraph is the _____________.
A
amount of detail that can be included
B
way the data is organized
C
accuracy of the data
D
number of digits that can be included
18) To make a scale drawing of a basketball court, which of the following scales would be most useful?
A
1 m = 1 km
B
1 km = 1 m
C
1 m = 1 cm
D
1 cm= 1 m
19) In which of the following situations would it NOT be wise to estimate?
A
the number of miles per gallon an automobile can provide
B
the amount of food to prepare for twelve people
C
the time it would take to walk to the grocery store from home
D
the amount of medicine to give a patient
20) To _____________________ means to draw a conclusion based on something you observe.
A
control
B
guess
C
infer
D
model
*select an answer for all questions
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