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Chapter 2 Test Review

Total questions: 42

Worksheet time: 1hrs 27mins

Name
Class
Date
1.

Which of the following is a valid reason for using SI units?

a)

more familiar to most citizens of the U.S

b)

most items in the US are recorded in SI units

c)

units are based on powers of 10, making unit conversions easier

d)

meters are just cooler than feet

2.

Which SI unit is used to measure density?

a)

m

b)

m2

c)

m3

d)

kg/m3

3.
To measure the length of a Kleenex box you would use __?__.
a)
kilometers (km)
b)
meters (m)
c)
dekameters (dam)
d)
centimeters (cm)
4.
The SI unit for measuring mass is the
 __?__.
a)
meter (m)
b)
liter (L)
c)
cubic meter (m3)
d)
kilogram (kg)
5.
The volume of a glass of orange juice would be measured in __?__.
a)
liters  (L)
b)
cubic meters  (m3)
c)
milliliters  (mL)
d)
kilograms  (kg)
6.

The mass of a push pen would be measured in __?__.

a)

kilograms (kg)

b)

liters (L)

c)

grams (g)

d)

micrograms (ug)

7.

To measure the volume of a Kleenex box you would use __?__.

a)

cubic kilometers (km3)

b)

cubic meters (m3)

c)

cubic nanometers (nm3)

d)

cubic centimeters (cm3)

8.
The SI unit for time is the __?__.
a)
meter (m)
b)
liter (L)
c)
gram (g)
d)
second (s)
9.
It is a measure of how close measurements come to each other when they are made in the same way
a)
Accuracy
b)
Precision
c)
Error
d)
Extrapolation
10.

How close a measurement is to the accepted value is called..

a)

Accuracy

b)

Precision

c)

Significant

d)

Estimate

11.
This bullseye demonstrates...
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
12.
?
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
13.
The students measured length during a science experiement, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?
a)
15.79%
b)
18.75%
c)
2.25%
d)
18%
14.

What is the length of the screw?

a)

5.0cm

b)

5.1cm

c)

5.11cm

d)

51mm

15.

Read the graduated cylinder to the appropriate precision. Which answer is most appropriate?

a)

6.3 mL

b)

6 mL

c)

6.61mL

d)

6.31 mL

16.

When converting between SI prefixes, what should you do if you are moving from smaller to larger units?

a)

move the decimal to the left

b)

move the decimal to the right

c)

do not move the decimal

d)

use dimensional analysis

17.
1 meter = _______ cm
a)
1
b)
1,000
c)
100
d)
400
18.
648 g = ____ mg
a)
6,480
b)
64,800
c)
648,000
d)
64.8
19.
How many minutes are in a year?
a)
I can't count that high.
b)
525,600min
c)
52,560min
d)
31,536,000min
20.

How many years are in a 3 months?

a)

0.2 yrs

b)

0.75 yrs

c)

0.50 yrs

d)

0.25 yrs

21.
The length of a desk is 3.5 feet. How many centimeters is the length? 
(there are 2.54 cm in an inch)
a)
60
b)
120.23
c)
106.68
d)
117.12
22.

How many kilograms of calcium are there in 173 pounds of calcium? (1 pound = 454 grams; 1 kg = 1000 g)

a)

1.10 kg

b)

78.5 kg

c)

110 kg

d)

78500 kg

23.
A passenger jet has a speed of 900 km/h.
What is its speed in m/s?
(1 km = 1000 m)
a)
250 m/s
b)
324 m/s
c)
1,500 m/s
d)
2,500 m/s
24.
A bicycle has a speed of 6 m/s. What is its speed in km/h?  (1 km=1000 m)
a)
21.6 km/h
b)
16.67 km/h
c)
2.16 km/h
d)
1.67 km/h
25.

Convert 20 tons/year to ounces/day

a)

.0004 ounces/day

b)

6.8 ounces/day

c)

109.6 ounces/day

d)

1,753.42 ounces/day

26.

Convert 9,500 feet/year to inches/day

a)

2.2 inches/day

b)

312.3 inches/day

c)

3,123.4 inches/day

d)

31.23 inches/day

27.
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
28.
The density of this material is 2 g/cm3.
There are 24 cm3  Find the total mass.
a)
12 grams
b)
48 grams
c)
12 g/cm3
d)
48 g/cm3
29.
How many sig figs are there?
100.00
a)
1
b)
3
c)
4
d)
5
30.
How many sig figs are there?
100000000
a)
1
b)
9
c)
10
31.
How many sig figs are there?
0.000008
a)
1
b)
2
c)
6
d)
7
32.
How many sig figs are there?
0.00400
a)
1
b)
3
c)
5
d)
6
33.
Which of the following numbers has three significant figures?
a)
1014 miles
b)
101 feet
c)
1000 yards
d)
all of the choices
34.
How many sig figs are there?
9009.00
a)
2
b)
4
c)
5
d)
6
35.
How many significant figures does the following number have: 0.002040
a)
6
b)
4
c)
3
d)
2
36.
How many significant figures does the following number have: 1740200
a)
2
b)
1
c)
3
d)
5
37.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
38.
How would you write 564,000,000 in scientific notation?
a)
5.64 x 10-7
b)
5.64 x 106
c)
5.64 x 108
d)
56.4 x 107
39.
How do you write
1001
in scientific notation?
a)
1.0001 x 104
b)
1.01 x 105
c)
1.001 x 103
d)
10.1 x 103
40.
Express the following in scientific notation:
.000457
a)
457 x 106
b)
457 x 10-6
c)
4.57 x104
d)
4.57 x 10-4
41.
When your exponent is negative, you move your decimal....
a)
to the right
b)
to the left
c)
to both sides
d)
nowhere.... the decimal goes nowhere
42.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104

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