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The Nature of Science

Total questions: 50

Worksheet time: 54mins

Name
Class
Date
1.

Science is the study of

a)

organisms

b)

technology

c)

nature

d)

Earth

2.

Technology is

a)

something that always leads to harming people

b)

something that is only used to help people

c)

another term for science

d)

the application of scientific knowledge for practical purposes

3.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
4.
Which is NOT a step in the scientific method?
a)
Make observation
b)
Form a theory
c)
Collect data
d)
Form a hypothesis
5.
A testable explanation to a problem that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
6.
This variable in an experiment is the one being changed by the scientist. 
a)
dependent variable
b)
independent variable
c)
data
d)
control group
7.
The summary at the end of an experiment that explains the results. 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
8.
The name of the information that you get from your experiment (you organize it into charts and graphs).
a)
observations
conclusion
b)
data
c)
variables
d)
hypothesis
9.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
10.
If you increase the amount of spinach you eat, then you will increase the iron in your blood. 
What's the dependent variable?
a)
increase the amount of iron in your blood
b)
spinach you eat
11.
If I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable?
a)
True
b)
How fast you get to school
c)
Riding a bike or walking
d)
False
12.
This is the group that we will compare our experimental group to. This group stays "normal."
a)
Control Group
b)
Experimental Group
c)
 Normal Group
d)
Weird Group
13.
True or False: Your hypothesis can never be wrong.
a)
True
b)
False
14.

Give the unit name and symbol that is used to measure length

a)

gram (g)

b)

second (sec)

c)

meter (m)

d)

newton (N)

15.

Give the unit name and symbol that is used to measure mass.

a)

seconds (sec)

b)

Kelvin (K)

c)

mole (mol)

d)

gram (g)

16.

Give the unit name and symbol that is used to measure time

a)

second (sec)

b)

meter (m)

c)

Kelvin (K)

d)

liter (l)

17.

Give the unit name and symbol that is used to measure temperature.

a)

liter (l)

b)

Kelvin (K)

c)

gram (g)

d)

Newton (N)

18.

Give the quantity for "kilo-"

a)

1,000

b)

10

c)

.01

d)

.001

19.

Give the quantity for "hecto-"

a)

1,000

b)

100

c)

.01

d)

.001

20.

Give the quantity for "deci-"

a)

100

b)

10

c)

.1

d)

.001

21.

Give the quantity for "centi-"

a)

100

b)

1

c)

.01

d)

.001

22.

How many centimeters are in 1 meter?

a)

50 cm

b)

100 cm

c)

1,000 cm

d)

.01 cm

23.

How many meters are in a kilometer?

a)

1,000 m

b)

100 m

c)

10 m

d)

.1 m

24.

Which of the following is the best unit to measure the length and width of your paper?

a)

Centimeters

b)

Hectometers

c)

Kilometers

d)

Decameters

25.

Which of the following units is the best to measure your body's mass?

a)

Kilograms

b)

Grams

c)

Centigrams

d)

Miligrams

26.

Which of the following would be the best unit to measure a football field?

a)

Centimeters

b)

Meters

c)

Milimeters

d)

Decimeters

27.

Convert 1,000 sec to hs

a)

100

b)

10

c)

1

d)

.1

28.

Convert 5 L to mL

a)

50,000

b)

5,000

c)

500

d)

50

29.

In Science, what system of units do we use?

a)

Imperial System

b)

SI (The International System of Units)

c)

Avoirdupoir System

30.

Which type of graph best represents data that shows a change over a period of time?

a)

line

b)

bar

c)

table

d)

circle

31.

You have been asked to make a graph which represents everyone's favorite video game system in your class. Which type of graph would work best?

a)

line

b)

bar

c)

circle

d)

table

32.
How many more people have purple for a favorite color than red?
a)
3
b)
5
c)
7
d)
9
33.

What is the independent variable on the graph?

a)

Metro Bicycle Shop Weekly Sales

b)

Bicycles Sold

c)

Types of Bicycles

34.

What is the dependent variable on the graph?

a)

Metro Bicycle Shop Weekly Sales

b)

Bicycles Sold

c)

Types of Bicycles

35.
Which sentence describes the relationship shown on this scatter plot?
a)
The more time spent training, the longer it takes to run 100 m.  
b)
As the time spent training increases, the time to run 100 m decreases. 
c)
As the time spent training decreases, the time to run 100 m decreases. 
36.
The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 180 pages. 
a)
12 chapters
b)
15 chapters
c)
18 chapters
d)
21 chapters
37.
Which sentence describes the relationship shown on this scatterplot?
a)
As the temperature decreases, the visitors increase. 
b)
As the temperature increases, the number of visitors increases. 
c)
As the visitors increase, the temperature decreases. 
d)
No correlation
38.
Select the statement that best describes the line.
a)
The line is the line of best fit.
b)
The line is NOT a line of best fit because it does not pass through two points.
c)
The line is NOT a line of best fit because it does not go through the middle of the data set.
d)
The line is NOT a line of best fit because it does not go through the origin.
39.
The red line represents the line of best fit for the scatter plot. How many ice cream sales are expected if the temperature is 90°?
a)
55
b)
0
c)
103
d)
100
40.
Which of the following lines represents the line of best fit for the scatter plot?
a)
A
b)
B
c)
C
d)
D
41.
What is a line of best fit used for?
a)
To make predictions
b)
To make the graph look pretty
c)
To connect the points
d)
To make it look like you know what you are doing
42.

18o C converted to Fahrenheit is

a)

42o

b)

291o

c)

64.4o

d)

-7.7o

43.

72 oF converted to Celsius is

a)

161o

b)

22o

c)

72o

d)

345o

44.

50oF converted to Kelvin is

a)

-263K

b)

10K

c)

283oK

d)

283K

45.

Express the standard notation number in scientific notation: 235,500

a)

23.55 x 104

b)

2.4 x 105

c)

235.5 x 103

d)

2.355 x 105

46.

Express the number in scientific notation in standard form:

6.411 x 10-6

a)

0.00006411

b)

6411000

c)

0.000006411

d)

0.0006411

47.

Which is the largest number?

a)

3.1 x 106

b)

8.4 x 105

c)

9.1 x 104

d)

1.4 x 107

48.

A rectangular object measuring 1.4 cm wide by 1.4 cm high by 3.6 cm long has a mass of 44.8 grams. what is its density?

a)

0.158 g/cm3

b)

6.3 g/cm3

c)

318.1 g/cm3

d)

8.9 g/cm3

49.

An unknown piece of shiny metal with a mass of 362.2 grams is dropped into a graduated cylinder containing 100 ml of water. The water rises to 146 ml when the metal is submerged in the water. The densities of the following metals are:


Aluminum: 2.70 g/cm3

Iron: 7.87 g/cm3

Lead: 11.3 g/cm3

Silver: 10.5 g/cm3


The unknown metal is:

a)

Aluminum

b)

Iron

c)

Lead

d)

Silver

50.

What is the result for a scientist who chooses to lie about his data on a research paper in order to support their hypothesis.

a)

They will be forgiven if contrite

b)

They face prosecution

c)

They will never be considered a credible scientists again

d)

They will face stiff fines by the American Board of Scientific Inquiry

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