Data Analysis
Practice Test
1.
A cube of metal is 1.42 centimeters on an edge. It has a mass of 16.3 grams. What is the density of this metal?
a.
4.68 g/cm
3
b.
6.14 g/cm
3
c.
4.30 g/cm
3
d.
5.69 g/cm
3
2.
Which of the following materials was discovered by chance during research on artificial fiber creation?
a.
nylon
b.
lysozyme
c.
silk
d.
ozone
3.
In the laboratory, long hair can be an______________.
a.
distraction
b.
eye hazard
c.
fire hazard
d.
chemical hazard
4.
Anything that has mass and takes up space is _________.
SC.B.2.4.1
a.
pressure
b.
volume
c.
weight
d.
matter
5.
Which of the following releases matter?
SC.B.2.4.1
a.
engaging a car exhaust system
b.
turbines spinning in a power plant
c.
turning on an electric hot plate
d.
picking up iron filings with a magnet
6.
How many milliliters are there in 1.0 microliter?
a.
1.0 x 10
-1
mL
b.
1.0 x 10
-3
mL
c.
1.0 x 10
-4
mL
d.
1.0 x 10
-2
mL
7.
What is the percent error if a measured value is 24.59 g/mL and the accepted value is 25.49 g/mL?
SC.H.1.4.1
a.
1.037
b.
3.50%
c.
0.9647
d.
0.0366
8.
What is the name given to a set of controlled observations that test a proposed explanation?
SC.H.2.4.2
a.
hypothesis
b.
conclusion
c.
experiment
d.
theory
9.
The sum of 4.824 + 2.03 + 4.72319 + 123.4567 + 111.1 expressed to the proper number of significant figures is ____________.
a.
246.134
b.
246.1
c.
246.13
d.
246
10.
A sample of gold has a mass of 15.7 g and displaces 0.81 cm
3
of water in a graduated cylinder. What is the density of gold?
SC.C.2.4.6
a.
14.9 g/cm
3
b.
19.3 g/cm
3
c.
.05 g/cm
3
d.
0.81 g/cm
3
11.
Chemists whose specialty is determining the composition of chemicals work in the field of ________.
a.
inorganic chemistry
b.
physical chemistry
c.
organic chemistry
d.
analytical chemistry
12.
Research on solubility as a factor that affects the digestion of foods in humans would be an example of ______________.
SC.H.3.4.6
a.
technology
b.
applied research
c.
fundamental research
d.
theoretical research
13.
What is the area in square millimeters of a rectangle that is 7.431 cm long and 23.33 mm wide?
SC.H.3.4.3
a.
1.734 mm
2
b.
173.4 mm
2
c.
17.34 mm
2
d.
1734 mm
2
14.
Which of the following numbers has 4 significant figures?
a.
0.52089
b.
0.05208
c.
0.0521
d.
0.052
15.
What is the temperature 51°C expressed in kelvins?
SC.H.3.4.3
a.
324 K
b.
222 K
c.
273.0 K
d.
324° K
16.
The representation of data on graph that resembles a pizza is a _________.
SC.H.3.4.1
a.
circle graph
b.
line graph
c.
bar graph
d.
inverse
17.
How is the slope of a linear graph calculated?
SC.H.3.4.3
a.
slope =
y
2
– y
1
/
x
2
– x
1
b.
slope =
y
2
– y
1
x 100
c.
slope =
x
2
– x
1
/ 100
d.
slope =
x
2
– x
1
/
y
2
– y
1
18.
A ________ can be used to help visualize microscopic structures and events.
a.
variable
b.
hypothesis
c.
model
d.
theory
19.
A judgment based upon the results of an experiment is a _____________.
SC.H.1.4.1
a.
hypothesis
b.
variable
c.
theory
d.
conclusion
20.
Dimensional analysis is a method of problem-solving that focuses on ________ .
SC.H.3.4.3
a.
accuracy
b.
error
c.
units
d.
precision
