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Unit 1 Preview

Total questions: 40

Worksheet time: 2hrs 52mins

Name
Class
Date
1.

How many significant figures are there in 125 meters?

a)

1

b)

2

c)

3

d)

4

2.

How many significant figures are there in 1008 grams?

a)

1

b)

2

c)

3

d)

4

3.

How many significant figures are there in 10082 kilometers?

a)

1

b)

2

c)

3

d)

5

4.

How many significant figures are there in 10 liters?

a)

1

b)

2

c)

3

d)

4

5.

How many significant figures are there in 0.020 meters?

a)

1

b)

2

c)

3

d)

4

6.

Identify, how many significant figures does the following number have?

0.005090.00509  



(a)  

7.

Which of the following numbers has more than two significant figures?

a)

9400

b)

2.000

c)

70

d)

0.00025

8.
How many significant figures: 0.001 g
a)
4
b)
3
c)
2
d)
1
9.
Solve and give your answer with the correct number of significant figures
(12.470)(271)
a)
3366.9
b)
3.37x103
c)
3400
d)
3370
10.
Solve and give your answer with the correct number of significant figures
129.6/3
a)
43.0
b)
43
c)
 4x101
d)
40
11.
Solve and give your answer with the correct number of significant figures
24.28 + 12.5
a)
3.687 x 101
b)
36.8
c)
37
d)
3.70x101
12.
Solve and give your answer with the correct number of significant figures
1421-34
a)
1.39x103
b)
1387
c)
1390
d)

1400

13.
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
14.
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
15.

Write 7.113 x 107 in standard form.

a)

71,130,000

b)

7,113,000

c)

0.0000007113

d)

7,113

16.
Write 7.8 x 10-3  in standard form.
a)
0.0078
b)
7,800
c)
78
d)
0.078
17.
Multiply:
(3.4 x 105)(1.2 x 10-3)
a)
4.08 x 10-8
b)
4.8 x 102
c)
4.08 x 102
d)
4.08 x 10-15
18.
Divide:
(6.9 x 107) / (2.3 x 10-3)
a)
3 x 1010
b)
3 x 104
c)
3 x 10-4
d)
3 x 10-11
19.

Subtract using scientific notation  (7.32 x 10⁶) - (4.01 x 10⁸)

a)
-3.937 x 10⁸
b)
3.937 x 10⁸
c)
3.937 x 10⁷
d)
3.937 x ⁻²
20.

Add using scientific notation  (5.2 x 10⁷) + (3.01 x 10⁴)

a)
5.20301 x 10¹¹
b)
.520301 x 10⁷
c)
5.20301 x 10⁷
d)
5.20301 x 10⁸
21.

Jack has a rock. The rock has a mass of 14 g and a volume of 2 mL. What is the density of the rock?

a)
7 mL
b)

7 g/mL

c)

28 g/mL

d)

1/7 g/mL

22.
What is the volume of Object X?
a)

10.0 mL

b)

15.0 mL

c)

20.0 mL

d)

25.0 mL

23.

What is the volume of 150 grams of lead if it has a density of 11.3 g/cm3?

a)
13.3 g
b)
13.3 cm3
c)
.075 g
d)
1695 cm3
24.
An empty beaker has a mass of 60 grams.  When mercury is added to the beaker, 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
25.
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
26.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup 
d)
plastic bottle
27.
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
28.

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

a)

Accuracy

b)

Precision

c)

Significant

d)

Estimate

29.
This bullseye demonstrates...
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
30.
?
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
31.
Describe the accuracy and precision of the image
a)
Accurate and Precise
b)
Accurate and not precise
c)
Not Accurate and Precise
d)
not accurate and not precise
32.
240 cm = ___________ m
a)
2400
b)
24
c)
2.4
d)
0.24
33.
15.6 L = ___________ mL
a)
15,600
b)
156,000
c)
1,560,000
d)
15,600,000
34.
 330 cm = ___________ m
a)
3,300
b)
33
c)
3.3
d)
0.33
35.
Which unit is the smallest?  
a)
km
b)
mm
c)
m
d)
cm 
36.
Is 20 g greater than, less than, or equal to 2 kg?
a)
greater than
b)
less than
c)
equal to
37.
How many gallons are in a pool that holds 758,000 Liters?
(1 gallon = 3.79 Liters)
a)
200
b)
20,000
c)
200,000
d)
2,000,000
38.
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
39.
How many minutes are in a year?
a)
I can't count that high.
b)
525,600min
c)
52,560min
d)
31,536,000min
40.

A bicycle has a speed of 6.00 m/s. What is its speed in km/h?

a)

21.6 km/h

b)

16.67 km/h

c)

2.16 km/h

d)

1.67 km/h

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