WorksheetsMath Unit Review (Chem. 1)
Total questions: 44
Worksheet time: 1hrs 16mins
Name
Class
Date
1.
240 cm = ___________ m
a)
2400
b)
24
c)
2.4
d)
0.24
2.
15.6 L = ___________ mL
a)
15,600
b)
156,000
c)
1,560,000
d)
15,600,000
3.
3 km = ___________ mm
a)
30
b)
300
c)
3,000
d)
3,000,000
4.
32.9 km = ___________ cm
a)
32,900
b)
329,000
c)
3,290,000
d)
32,900,000
5.
Convert 300 meters to centimeters:
a)
3000 cm
b)
0.3 cm
c)
30,000 cm
d)
3 cn
6.
Which is more 4 kg or 3,000 g?
a)
4 kg
b)
3,000 g
7.
How many significant figures does the following number have: 100.00210
a)
7
b)
5
c)
10
d)
8
8.
Round 1009 to three sig figs
a)
100
b)
101
c)
1010
d)
1000
9.
What is the measurement 1042 Liters rounded to 2 significant figures?
a)
1040 L
b)
1.1 x 103 L
c)
1.0 x 103 L
d)
1050 L
10.
Accuracy is defined as
a)
close repeated measurements
b)
awesome measurements
c)
really good guessing
d)
measurement near the true value
11.
How many estimated digits should there be in an accepted measurement?
a)
0
b)
1
c)
2
d)
3
12.
Measurements that are repeated and close to each other can be defined as:
a)
accurate
b)
accurate and precise
c)
precise
d)
estimated
13.
Romy's measurements: 6.02 m, 6. 04 m, 6.03 m
Actual Value: 6.02 m
How would you define her measurements?
Actual Value: 6.02 m
How would you define her measurements?
a)
accurate and precise
b)
accurate
c)
precise
d)
neither
14.
Why is a beaker not a good measuring tool?
a)
holds too much liquid
b)
too many lines
c)
not many lines
d)
has a weird shape
15.
This bullseye demonstrates...
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
16.
Volume?
a)
63.5 mL
b)
63 mL
c)
63.55 mL
d)
6 mL
17.
The metal is 7.1 cm long
a)
7 is the estimated digit
b)
1 is the estimated digit
c)
7 is the uncertain digit
d)
Both 7 and 1 are estimated digits
18.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1,
d)
4, 3, 1, 2
19.
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
20.
An empty beaker has a mass of 60 grams. When mercury is added to the graduated cylinder, it has a mass of 200 grams. What is the mass of the mercury?
a)
140 grams
b)
200 grams
c)
140 mL
d)
260 g
21.
Which of the following measurements is expressed to three significant figures?
a)
0.007 m
b)
7077 mg
c)
7.30 x 10-7 km
d)
0.070 mm
22.
In the measurement 0.503 L, which digit is the estimated digit?
a)
5
b)
the 0 immediately to the left of the 3
c)
3
d)
the 0 to the left of the decimal point
23.
Which box has a higher density?
a)
Box A
b)
Box B
c)
cannot be determined
d)
they are the same
24.
What does the scale read?
a)
9.4 g
b)
9.6 g
c)
49.4 g
d)
49.6 g
25.
It's fine to smell chemicals directly from their containers.
a)
True
b)
False
26.
a)
hot plate
b)
flame thrower
c)
heater
d)
bunsen burner
27.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
4,3756
28.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
4,3756
29.
How would you write 0.0005 in scientific notation?
a)
50 x 105
b)
5 x 104
c)
5 x 103
d)
.5 x 103
30.
How would you write -5.6 x 10-3 in standard form?
a)
0.0056
b)
-5,600
c)
0.00056
d)
-0.0056
31.
Convert to standard notation:
2.4 x 10-3
2.4 x 10-3
a)
2400
b)
0.24
c)
0.024
d)
0.0024
32.
UNDERSTANDING
If the exponent is a positive number...
If the exponent is a positive number...
a)
you will get a large number
b)
you will get a smaller number
33.
UNDERSTANDING
If the exponent is a negative number...
If the exponent is a negative number...
a)
you will get a large number
b)
you will get a small number
34.
When measuring the mass of an elephant it is best to use:
a)
g
b)
nL
c)
ng
d)
kg
35.
The prefix "centi" means:
a)
100
b)
1/100
c)
one thousand
d)
1/1000
36.
The prefix "centi" means:
a)
100
b)
1/100
c)
one thousand
d)
1/1000
37.
The metric system is based on multiples of:
a)
100
b)
20
c)
10
d)
1
38.
How many milliliters are in 0.04L?
a)
0.004L
b)
0.004ml
c)
40ml
d)
4L
39.
What is an if....then statement that predicts the outcome of an experiment?
a)
Conclusion
b)
Materials
c)
Hypothesis
d)
Problem
40.
What is an if....then statement that predicts the outcome of an experiment?
a)
Conclusion
b)
Materials
c)
Hypothesis
d)
Problem
41.
?
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
42.
What is the Volume in the graduated cylinder?
a)
63.5 mL
b)
63 mL
c)
63.55 mL
d)
6 mL
43.
What is measured with a graduated cylinder?
a)
Passage of time
b)
Distance from one thing to another
c)
Weight of an object
d)
Volume of liquid
44.
What is this the instrument in the picture?
a)
Beaker
b)
Test tube
c)
Graduated Cylinder
d)
Pipette
100 %
