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Unit 1 Lesson 6-7 Review

Total questions: 130

Worksheet time: 5hrs 2mins

Name
Class
Date
1.

It is a measure of how close measurements come to each other when they are made in the same way - REPEATABLE.

a)
Accuracy
b)
Precision
c)
Error
d)
Extrapolation
2.

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

a)

Accuracy

b)

Precision

c)

Significant

d)

Estimate

3.
This bullseye demonstrates...
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
4.
?
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
5.
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
6.

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

a)

Accuracy

b)

Precision

c)

Significant

d)

Estimate

7.
This image is an example of...
a)
precision ONLY
b)
accuracy ONLY
c)
BOTH precision and accuracy
d)
NEITHER precision and accuracy 
8.

Which Student is the most Precise?

a)

Alex

b)

Shandra

c)

Luis

9.
A set of data are all close to each other, but they are not close to the actual value.  This set of data can be described as...
a)
accurate
b)
precise
c)
both precise and accurate
10.
A set of data are all close to each other, and they are close to the actual value.  This set of data can be described as...
a)
accurate
b)
precise
c)
both precise and accurate
11.
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
12.
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
13.
There are __?__ significant digits in the number 0.00076
a)
2
b)
4
c)
5
d)
6
14.
There are __?__ significant digits in the number 90,000.00
a)
1
b)
2
c)
5
d)
7
15.
How many significant figures does the following number have: 0.002040
a)
6
b)
4
c)
3
d)
2
16.
Round "0.265" to two significant digits.
a)
0.3
b)
0.27
c)
0.25
d)
0.2
17.
There are __?__ significant digits in the number 2,000,000
a)
1
b)
2
c)
6
d)
7
18.
Why is the zero significant in the digit 706?
a)
It is an ending zero after the decimal point.
b)
It is a beginning zero.
c)
It is between 2 significant digits.
d)
It is not a significant digit.
19.
There are __?__ significant digits in the number 23.012.
a)
1
b)
2
c)
4
d)
5
20.
How many significant digits are there in "0.94"?
a)
1
b)
2
c)
3
d)
none
21.
How many significant digits are there in "8003"?
a)
1
b)
2
c)
3
d)
4
22.

How many significant digits are there in "8.20 x 104"?

a)

1

b)

2

c)

3

d)

4

23.
How many significant digits are there in "0.0805"?
a)
2
b)
3
c)
4
d)
5
24.
How many significant digits are there in "6605"?
a)
1
b)
2
c)
3
d)
4
25.

Subtract and round to the appropriate number of significant digits. 65.76−11.365.76-11.3  

a)

54.46

b)

54.4

c)

54.5

d)

54

26.
Which of the following is the answer for the problem with the correct number of significant digits?
23.91 x 12.861 = 307.50651
a)
308
b)
307.51
c)
307.5
d)
307
27.
Which of the following is the answer for the problem with the correct number of significant digits?
65 ÷ 10.01= 6.4935064
a)
7.0
b)
6.5
c)
6.494
d)
6.0
28.

Count the number of significant digits in the number 2.123 X 1012

a)

4

b)

3

c)

12

d)

16

29.
You know that 12 inches = 1 foot.  Convert 60 inches to feet.
a)
720 feet
b)
5 feet
c)
5 inches
d)
72 feet
30.
You know 1000 mg = 1 g.  Convert 2.5 grams into milligrams.
a)
25 mg
b)
25,000 mg
c)
250 mg
d)
2500 mg
31.

Convert 3.5 gallons into cups. (1gal = 16cups)

a)

56 cups

b)

0.21875 cups

c)

19.5 cups

d)

48 cups

32.
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
33.

Convert 40 ounces to pounds. (16oz = 1lb)

a)

2.5 pounds

b)

.4 pounds

c)

2/5 pounds

d)

5 pounds

34.
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
35.
How many minutes are in a year?
a)
I can't count that high.
b)
525,600min
c)
52,560min
d)
31,536,000min
36.

How many years are in a 3 months?

a)

0.2 yrs

b)

0.75 yrs

c)

0.50 yrs

d)

0.25 yrs

37.

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

38.
The Olympic record for the high jump is just over 2.6 yards. What is that distance in feet?  (3 ft=1 yd)
a)
0.867 ft
b)
7.8 ft
c)
8.07 ft
d)
8.27 ft
39.
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
40.
When writing a number in scientific notation, the first number must be greater than 1, but less than 10.
a)
False
b)
True
41.
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
42.
ANY number raised to a power of 0 will be....
a)
10
b)
itself
c)
1
d)
0
43.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
44.

Convert to scientific notation:

520,000,000

a)

52 x 107

b)

5.2 x 10-7

c)

5.2 x 108

d)

0.52 x 109

45.

Write 7.113 x 107 in standard form.

a)

71,130,000

b)

7,113,000

c)

0.0000007113

d)

7,113

46.
Write 0.00000707 in scientific notation.
a)
7.07 x 10-6
b)
7.07 x 106
c)
707 x 108
d)
707 x 10-8
47.
Write 7.8 x 10-3  in standard form.
a)
0.0078
b)
7,800
c)
78
d)
0.078
48.
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
49.
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
50.
Multiply:
(9.4 x 106)(3.2 x 105)
a)
30.08 x 1011
b)
3.8 x 101
c)
3.008 x 1012
d)
2.9375 x 101
51.
Solve:
(6 x 106) / (2 x 103)
a)
12 x 103
b)
3 x 109
c)
1.2 x 104
d)
3 x 103
52.
Which is the smallest?
1.3 x 1020
2.9 x 1021
9.5 x 1032
8.4 x 1019
a)
1.3 x 1020
b)
2.9 x 1021
c)
9.5 x 1032
d)
8.4 x 1019
53.
How do you write 1.28 x 10-4
a)
0.128
b)
0.0000128
c)
0.0128
d)
0.000128
54.

Write in scientific notation. 0.0000000000000913

a)

9.13 x 1014

b)

9.13 x 10-14

c)

9.13 x 1013

d)

9.13 x 10-13

55.
What is 1.1 x 107 in standard form? 
a)
11,000,000
b)
11 x 108
c)
1,100
d)
1.1
56.
Write 3,450,000 in scientific notation.
a)
34.5 x 106
b)
3.45 x 106
c)
3.45 x 107
d)
34.5 x 105
57.

How do you write

8.317 x 106

in standard form?

a)

83,710

b)

83, 170, 000

c)

837, 100

d)

8, 317, 000

58.
What is the simplified version of
a)
3.9 x 106
b)
4 x 1020
c)
4 x 106
d)
3.9 x 1020
59.

Convert 35⁰F to Celsius (oC=5/9 x (0F - 32))

a)

1.6⁰

b)

1.7⁰C

c)

2.0⁰

d)

16.6⁰C

60.

Convert 72⁰F to Celsius (oC=5/9 x (0F - 32))

a)

2.2⁰C

b)

222⁰C

c)

22.2⁰C

d)

161.6⁰C

61.

Convert 103°F to Celsius (oC=5/9 x (0F - 32))

a)

39°C

b)

394°F

c)

75°C

d)

39.4°C

62.

Convert 30°C to Fahrenheit (1.8 x 0C) + 32

a)

860°F

b)

86°F

c)

63.8°F

d)

56°F

63.

Which of the follow represents a normal body temperature of 98.6°F in °Celsius? (oC=5/9 x (0F - 32))

a)

37°C

b)

370°C

c)

72.5°C

d)

72.6°C

64.

Convert 0°C to Fahrenheit (1.8 x 0C) + 32

a)

0°F

b)

1.8°F

c)

32°F

d)

3.2°F

65.

Convert -40°C to Fahrenheit (1.8 x 0C) + 32

a)

-40°F

b)

-14.4°F

c)

-104°F

d)

32°F

66.

100 Celsius is ? Kelvin (K = Celsius + 273)

a)

173 K

b)

373K

c)

273 K

d)

0 K

67.

Convert -21°C into Kelvin.

a)

252K

b)

316°C

c)

303K

d)

-163°C

68.

Convert 589 Kelvin into °C.

a)

252K

b)

316°C

c)

303K

d)

-163°C

69.

Convert 100°C into °F.

a)

7.2°C

b)

32°C

c)

32°F

d)

212°F

70.

Convert: 253 °C to K:

a)

526 K

b)

625 K

c)

0 K

d)

186 K

71.

Convert: 0 K to °C

a)

-273 °C

b)

-273 K

c)

273 °C

d)

273 K

72.

Which temperature is equal to 20 K?

a)

-253°C

b)

-293°C

c)

253°C

d)

293°C

73.

The temperature at which particles stop moving is

a)

0 oC

b)

32 oF

c)

0 K

d)

0 oF

74.

Calculate the temperature in Kelvin with a temperature of 32oF.

a)

100K

b)

212K

c)

273K

d)

373K

75.

The box is brown

a)

quantitative data

b)

qualitative data

76.

The tree is tall

a)

quantitative data

b)

qualitative data

77.

The house is far away

a)

quantitative data

b)

qualitative data

78.

The jar is full

a)

quantitative data

b)

qualitative data

79.

The man is bald

a)

quantitative data

b)

qualitative data

80.

The duck is yellow

a)

quantitative data

b)

qualitative data

81.

The juice tastes like oranges

a)

quantitative data

b)

qualitative data

82.

The tree is 6 meters tall

a)

quantitative data

b)

qualitative data

83.

The car traveled 70 miles

a)

quantitative data

b)

qualitative data

84.

The marble has a mass of 25 grams

a)

quantitative data

b)

qualitative data

85.

The dresser is 1 meter wide

a)

quantitative data

b)

qualitative data

86.

The girl is 6 years old

a)

quantitative data

b)

qualitative data

87.

Water has a density of 1g/cm3

a)

quantitative data

b)

qualitative data

88.

The cow weighs 1 ton

a)

quantitative data

b)

qualitative data

89.

The chicken laid 15 eggs

a)

quantitative data

b)

qualitative data

90.

A graph to use to show a correlation of variables.

a)

Line

b)

Scatter Plot

c)

Bar

d)

Histogram

e)

Pie (Circle)

91.

A graph to use to show the distribution of data.

a)

Line

b)

Scatter Plot

c)

Bar

d)

Histogram

e)

Pie (Circle)

92.

A graph to use to display changes over time.

a)

Line

b)

Scatter Plot

c)

Bar

d)

Histogram

e)

Pie (Circle)

93.

A graph to use to compare groups.

a)

Line

b)

Scatter Plot

c)

Bar

d)

Histogram

e)

Pie (Circle)

94.

A graph to use to show the parts of a whole.

a)

Line

b)

Scatter Plot

c)

Bar

d)

Histogram

e)

Pie (Circle)

95.

According to the graph, how many mice will be born in week 5 if the trend continues?

a)

100

b)

90

c)

160

d)

180

96.

What amount of sales make the company $2000 in profit?

a)

3000

b)

6000

c)

9000

d)

12000

97.

This line graph shows the height of two plants that Samantha grew for four weeks.

During which week were the plants the same height?

a)

1

b)

2

c)

3

d)

4

98.

What percentage of students picked either Frozen or Wall-E as their favorite Disney movie?

a)

42%

b)

14%

c)

47%

d)

You can't answer this question from the graph.

99.
Which interval has 400 employees?
a)
33-43
b)
0-10
c)
77-87
d)
66-76
100.

Mrs. Collins made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, a student with 6 absences should get approximately what score on the final exam?

a)

85

b)

92

c)

70

d)

76

101.

What is something on a graph that you have control over and isn't changed by any other variable?

a)

Independent variable

b)

Dependent variable

c)

Controlled variable

d)

Extraneous variable

102.

Time such as minutes, days, and months will always be a(n) ________________ variable when graphing.

a)

Controlled

b)

Independent

c)

Dependent

d)

Extraneous

103.

What is the independent variable in this graph?

a)

Tadpoles

b)

Year

c)

Frogs

d)

Number of tadpoles in the pond

104.

Independent variable (IV) label units are found on the _______ axis.

a)

Y-axis

b)

X-axis

105.

Dependent variable (DV) label with units is found on the _____ axis

a)

Y-axis

b)

X-axis

106.
What is the independent variable on the graph (x-axis)?
a)
Metro Bicycle Shop Weekly Sales
b)
Bicycles Sold
c)
Types of Bicycles
107.
What is the dependent variable on the graph (y-axis)?
a)
Metro Bicycle Shop Weekly Sales
b)
Bicycles Sold
c)
Types of Bicycles
108.

What do you have to have to make a graph

a)

data

b)

facts

c)

paper

d)

Infor

109.

What do we put at the top of a graph?

a)

X axis

b)

data table

c)

title

d)

nothing

110.
A graph is...
a)
An analysis of an observation.
b)
A visual representation of data.
c)
short for graphite.
d)
used to conduct an experiment.
111.

Which of these can change when new evidence is presented?

a)

theory

b)

law

112.

Which of these describes a natural phenomenon or relationship that always occurs under specific conditions

a)

theory

b)

law

113.

Which of these can be represented mathematically and provide no explanation why a phenomenon occurs?

a)

theory

b)

law

114.
Scientific theories can be tested.
a)
True
b)
False
115.
What is a theory?
a)
Describes what happens
b)
Explains a process
116.
What is a law?
a)
Describes what happens
b)
Explains a process
117.
Scientific theories are based on
a)
general assumptions of how systems work.
b)
mathematical principles that can be proven true.
c)
large amounts of data collected over time.
d)
observations from within only one scientific discipline.
118.
Scientists __________________ test scientific theories.
a)
constantly
b)
rarely
c)
never
119.
Which of the following is true about theories and opinions?
a)
It is about right and wrong
b)
theories explain observations clearly and consistently
c)
A theory doesn't have to be repeatable
120.

A scientific theory provides and explanation for how or why an event occurred.

a)

True

b)

False

121.

A scientific theory can become a law if it has enough evidence to support it.

a)

True

b)

False

122.

A scientific law is a repeatable pattern in nature

a)

True

b)

False

123.

A scientific law can be demoted to a theory if information is produced questions it's validity.

a)

True

b)

False

124.

A scientific law states that an event will occur.

a)

True

b)

False

125.

In 1897, Joseph Thomson discovered that atoms contained electrons. He proposed a change in the atomic theory of that time, and the theory was modified because of his discovery. Since Thomson’s discovery, atomic theory has been further modified. What is the best explanation for why scientific theories are modified?

a)

Theories more than ten years old are usually out of date.

b)

Scientists want to prove that the work of other scientists is wrong.

c)

New evidence that supports a change prompts scientists to modify earlier theories.

d)

So much information is available today that it is harder to focus research and disprove theories.

126.

The law of universal gravitation states that both mass and distance of objects affect the gravitational force between them. Gravitational force increases as the mass of the objects increase. Gravitational force decreases as distance between the objects increases. Why are these statements considered scientific law, and not scientific theory?

a)

The statements tells what happens, and not why it happens.

b)

The statements involve mass and distance measurements.

c)

The statements explain the attractive force between two objects.

d)

The statements predict what will happen under certain conditions.

127.

Lilly was trying to explain to her friend the difference between a theory and a law in science. She used the theory of plate tectonics and the law of superposition as examples. Lilli explained the difference by using non-scientific language. Which statement could Lilly use to correctly describe the difference between a theory and a law in science?

a)

A theory describes a natural event, while a law explains it.

b)

A theory explains a natural event, while a law predicts it.

c)

A theory explains a natural event, while a law describes it.

d)

A theory predicts a natural event, while a law explains it.

128.
Scientific theories do not change once they have been written down.
a)
True
b)
False
129.

Which of these explain how a natural phenomenon works or happens?

a)

theory

b)

law

130.

Scientists create both scientific theories and scientific laws as they make observations and conduct experiments about the natural world. Which of the following statements most accurately compares the difference between scientific theories and scientific laws

a)

science laws are based on evidence while science theories are not

b)

science theories involve only biology, while laws involve all types of science

c)

science theories involve mathematical equations, while science laws are based on observations

d)

science theories are ideas that explain natural events, while science laws predict what will happen in a natural event.

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