WorksheetsBe Precise (Density, Sig Figs, % Error)
Total questions: 15
Worksheet time: 1hrs 15mins
Name
Class
Date
1.
What two types of measurements make up DENSITY?
a)
Mass and Volume
b)
Temperature and Mass
c)
Grams and Centimeters
d)
Volume and Weight
2.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
3.
What units can be used to express density?
a)
g/mL
b)
grams
c)
millimeters
d)
milliliters
4.
Frank has a paper clip. It has a mass of 9g and a volume of 3cm3. What is its density?
a)
3 g/cm3
b)
1/3 g/cm3
c)
27 g/cm3
d)
39 g/cm3
5.
This bullseye demonstrates...
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
6.
?
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
7.
How many significant figures does the following number have?
0.00345
0.00345
a)
6
b)
5
c)
3
d)
Ambiguous: 3,4,5, or 6
8.
Round 1289 to three significant figures
a)
1290
b)
130
c)
1300
d)
1.29x103
9.
Solve and give your answer with the correct number of significant figures
24.28 + 12.5
24.28 + 12.5
a)
3.687 x 101
b)
36.8
c)
37
d)
3.70x101
10.
Solve and give your answer with the correct number of significant figures
1421-34
1421-34
a)
1.39x103
b)
1387
c)
1390
d)
1400
11.
Calculate 0.020 cm x 50 cm x 11.1 cm and give your answer with the correct number of significant figures.
a)
10 cm3
b)
11.1 cm3
c)
11 cm3
d)
11. cm3
12.
All of the following have one significant figure except:
a)
100 cm
b)
0.0001 cm
c)
2 cm
d)
2.00 cm
13.
The weight of a table measured by a student is 20 Kg. The actual weight of the table is 23 Kg. What is the percent error in the student's measurement?
a)
43 %
b)
3%
c)
15%
d)
13%
14.
A Student determines the volume of a cube to be 4.6 cm3. What is the percent error if the the correct volume of the cube is 4.3 cm3?
a)
8%
b)
6%
c)
7%
d)
9%
15.
The boiling point of a chemical (Ethanol) is 78.40 Degrees Celsius. A Student conducts an experiment and finds the boiling point of 75.0 Degrees Celsius. What is the percent error of the student's measurement?
a)
3.57%
b)
3.44%
c)
96.56%
d)
2.7%
100 %
