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Ch. 1 What is Science?

Total questions: 19

Worksheet time: 19mins

Name
Class
Date
1.

What are the goals of science?

a)

Tell society what to feel and think

b)

Provide natural explanations for events in the natural world based on evidence

c)

Explain religion and philosophy

d)

Prove things

2.
What scientific attitudes help generate new ideas?
a)
Curiosity, skepticism, open-mindedness, and creativity help scientists generate new ideas.
b)
Anger, frustration, and curiosity help generate new ideas.
c)
No one knows what attitudes generate new ideas.
d)
Only creativity helps scientists generate new ideas.
3.
Scientist and other people start with questions and observations that may come from:
a)
Curiosity, skepticism, open-mindedness, and creativity
b)
Practical problems (flooding issue in a coastal area)
c)
New technology (3-D printers)
d)
All of the above
4.
Which of the following questions is legitimate for science to consider? 
a)
Which type of orchid flower is most beautiful?
b)
How many seals can a killer whale consume per day? 
c)
When is religion better than philosophy?
d)
Is competition good or evil?
5.
Which of the following is true about science?
a)
Science is tentative
b)
Science is testable
c)
Some parts of science are unknowable
d)
All of these are corrct
6.
How does a scientist confirm data? 
a)
 by consulting with an expert in the field
b)
by making sure that technicians follow procedures properly
c)
 by checking calculations for errors
d)
by observing that repeating the experiment yields similar results
7.
What is a hypothesis?
a)
guess or prediction
b)
testable explanation for an observed phenomenon
c)
another term for a theory
d)
The right answer
8.
Scientists conduct multiple trials of experiments... 
a)
to ensure experiments always have the same results
b)
to make the results more reliable
c)
to save money
d)
because it's more fun...duh!
9.
 Which of the following is important for a scientist to keep in mind when collecting data?
a)
Avoiding bias
b)
Recording all the data, even the really weird stuff
c)
Repeating the experiment multiple times
d)
All of these answers are correct.
10.

The test tubes in the image were left at room temperature for a week to see if algae would grow. Which of the following is the constant (controlled) in the experiment?

a)

the amount of algae present

b)

the temperature of the test tube's contents

c)

the amount of chlorine present

d)

the ratio of algae to chlorine

11.
Which of the following is the independent variable in the experiment shown in the image?
a)
amount of chlorine used
b)
volume of water used
c)
length of time of the experiment
d)
temperature of the test tubes
12.

What is the dependent variable in this experiment?

a)

the amount of algae present

b)

the temperature of the test tube's contents

c)

the amount of chlorine present

d)

the rate of temperature change

13.
A scientist is studying whether cows will produce more milk when given an experimental drug. He gives 100 female cows the drug and then tests their milk production. Which of the following would be a good control group?
a)
100 male cows given the drug
b)
100 male cows not given the drug
c)
100 female cows not given the drug
d)
100 goats given the drug
14.
Why is peer review important?
a)
Scientists need to stay busy to do their best work.
b)
Publishing peer-reviewed articles in scientific journals allows researchers to share ideas and to test and evaluate each other’s work.
c)
Scientists do not do peer review.
d)
They want to make sure that only they are right.
15.
Which of the following is not an example of scientific honesty?
a)
Reporting when data was collected as the result of an equipment malfunction
b)
Discussing all sources of error
c)
Citing work of previous experiments that informed the current experiment
d)
Manipulating graphs or statistical analyses to fit a hypothesis
16.
If a theory is challenged by new evidence, which of the following could occur?
a)
 the theory could be altered
b)
 the theory is accepted, not the evidence
c)
 the evidence is wrong
d)
 a vote is taken on whether to accept the new evidence
17.

A scientist records the change in temperature for 3 different chemical reactions. The type of data that the scientist is recording is considered to be:

a)

Qualitative Data

b)

Quantitative Data

18.

True or False: It is normal/okay to reject your hypothesis after analyzing your experimental data

a)

True

b)

False

19.

A scientific model is used to:

a)

Explain phenomena

b)

Make predictions

c)

Represent events

d)

All of the above

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