SCIENCE TEACHER CERTIFICATION EXAM QUESTIONS
AND VERIFIED ANSWERS
Which metric prefix indicates a factor of 1000?
A
Deca-
B
Centi-
C
Kilo- - CORRECT ANSWER✅✅✅C
Patricia is measuring the volume of a chemical in the lab using a graduated cylinder. She takes three
measurements at 40 mL, 35 mL, and 50 mL. She pours the chemical into a 50-mL beaker, and it reaches
the 50-mL marking exactly. Which of the following descriptions of her data is likely correct?
A
low accuracy, low precision
B
high accuracy, low precision
C
low accuracy, high precision
D
high accuracy, high precision - CORRECT ANSWER✅✅✅A
Which of the following units represents the shortest distance?
A
kilometer
B
millimeter
C
nanometer
,D
parsec - CORRECT ANSWER✅✅✅C
If 2.54 cm = 1 in, about how many inches are in 1 meter?
A
39.4 in
B
91.44 in
C
36 in
D
30 in - CORRECT ANSWER✅✅✅A
Which of the following instruments would be most useful to find the volume of a very large textbook?
A
a micrometer
B
a metric ruler
C
a large beaker - CORRECT ANSWER✅✅✅B
Susan travels at a rate of 60 miles per hour for 3 hours. Her car uses on average one gallon of gas per 30
miles. How many gallons of gas does she use on her trip?
A
180
B
90
C
10
,D
6 - CORRECT ANSWER✅✅✅D
Which metric prefix indicates a factor of 10?
A
Kilo-
B
Deci-
C
Centi-
D
Deca- - CORRECT ANSWER✅✅✅D
When asked to list sources of error in an experiment, a majority of Mr. Crone's fifth-grade students
included "human error" and "calculator error". What is their most likely misunderstanding about
sources of error in an experiment?
A
Students think error in measurement is a mistake made by the measurer.
B
Students think that a digital display has no margin of error.
C
Students think that electronic equipment always measures exactly.
D
All of the above are commonly misunderstood by students. - CORRECT ANSWER✅✅✅D
A student measures the volume of 12.8 ml of liquid with a graduated cylinder, checking the
measurement three times to obtain volumes of 13.2 ml, 13.2 ml, and 13.1 ml. The student's
measurements are:
A
precise but not accurate.
, B
neither accurate nor precise.
C
accurate but not precise.
D
both precise and accurate. - CORRECT ANSWER✅✅✅A
Mr. Orlando is teaching a unit about density, which is the amount of mass in a given volume. He would
like students to practice measuring the density of various objects. Which of the following lists of
equipment should Mr. Orlando provide to his students?
A
a microscope, beaker, and eye dropper
B
a thermometer, a Bunsen burner, and a beaker
C
a graduated cylinder and a balance
D
a ruler, a rubber ball, and a tape measure - CORRECT ANSWER✅✅✅C
You know that your height is 5 ft 3 in. A friend measures you three times and gets these results: 5 ft 10
in, 5 ft 9.5 in, and 5 ft 10.5 in. How can these measurements be explained?
A
low accuracy, high precision
B
high accuracy, low precision
C
high accuracy, high precision
D
low accuracy, low precision - CORRECT ANSWER✅✅✅A
AND VERIFIED ANSWERS
Which metric prefix indicates a factor of 1000?
A
Deca-
B
Centi-
C
Kilo- - CORRECT ANSWER✅✅✅C
Patricia is measuring the volume of a chemical in the lab using a graduated cylinder. She takes three
measurements at 40 mL, 35 mL, and 50 mL. She pours the chemical into a 50-mL beaker, and it reaches
the 50-mL marking exactly. Which of the following descriptions of her data is likely correct?
A
low accuracy, low precision
B
high accuracy, low precision
C
low accuracy, high precision
D
high accuracy, high precision - CORRECT ANSWER✅✅✅A
Which of the following units represents the shortest distance?
A
kilometer
B
millimeter
C
nanometer
,D
parsec - CORRECT ANSWER✅✅✅C
If 2.54 cm = 1 in, about how many inches are in 1 meter?
A
39.4 in
B
91.44 in
C
36 in
D
30 in - CORRECT ANSWER✅✅✅A
Which of the following instruments would be most useful to find the volume of a very large textbook?
A
a micrometer
B
a metric ruler
C
a large beaker - CORRECT ANSWER✅✅✅B
Susan travels at a rate of 60 miles per hour for 3 hours. Her car uses on average one gallon of gas per 30
miles. How many gallons of gas does she use on her trip?
A
180
B
90
C
10
,D
6 - CORRECT ANSWER✅✅✅D
Which metric prefix indicates a factor of 10?
A
Kilo-
B
Deci-
C
Centi-
D
Deca- - CORRECT ANSWER✅✅✅D
When asked to list sources of error in an experiment, a majority of Mr. Crone's fifth-grade students
included "human error" and "calculator error". What is their most likely misunderstanding about
sources of error in an experiment?
A
Students think error in measurement is a mistake made by the measurer.
B
Students think that a digital display has no margin of error.
C
Students think that electronic equipment always measures exactly.
D
All of the above are commonly misunderstood by students. - CORRECT ANSWER✅✅✅D
A student measures the volume of 12.8 ml of liquid with a graduated cylinder, checking the
measurement three times to obtain volumes of 13.2 ml, 13.2 ml, and 13.1 ml. The student's
measurements are:
A
precise but not accurate.
, B
neither accurate nor precise.
C
accurate but not precise.
D
both precise and accurate. - CORRECT ANSWER✅✅✅A
Mr. Orlando is teaching a unit about density, which is the amount of mass in a given volume. He would
like students to practice measuring the density of various objects. Which of the following lists of
equipment should Mr. Orlando provide to his students?
A
a microscope, beaker, and eye dropper
B
a thermometer, a Bunsen burner, and a beaker
C
a graduated cylinder and a balance
D
a ruler, a rubber ball, and a tape measure - CORRECT ANSWER✅✅✅C
You know that your height is 5 ft 3 in. A friend measures you three times and gets these results: 5 ft 10
in, 5 ft 9.5 in, and 5 ft 10.5 in. How can these measurements be explained?
A
low accuracy, high precision
B
high accuracy, low precision
C
high accuracy, high precision
D
low accuracy, low precision - CORRECT ANSWER✅✅✅A
