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Nature of Science Pre-test

Total questions: 35

Worksheet time: 12mins

Name
Class
Date
1.
The findings of experiments are generally not accepted until they are ____________.
a)
Replicated
b)
Published
c)
Proven
d)
Recorded
2.
A series of steps scientists use to solve problems and answer questions: 
a)
Scientific Steps
b)
Scientific Method
c)
Scientific Series
d)
Theory
3.

I see that Ms. Kim is holding a coffee cup, I assume that there is coffee in the coffee cup.  By making the assumption that there is coffee in the mug, I have made a(n)

a)
Observation
b)
Inference
c)
Classification
d)
Experiment
4.
All the observations, measurements, and data scientists gather in support of a scientific explanation
a)
Hypothesis
b)
Valid
c)
Invalid
d)
Empirical evidence
5.
Anything that can change during an experiment is a(n)
a)
Experiment
b)
Variable
c)
Hypothesis
6.
A testable idea or explanation that leads to a scientific investigation is called (can be stated as an if/ then statement)
a)
conclusion
b)
experiment
c)
hypothesis
7.

Using one or more of your senses to gather information is called

a)

observing

b)

inferring

c)

predicting

d)

classifying

8.

The part of an experiment in which all conditions are kept the same is the

a)

hypothesis

b)

control

c)

conclusion

d)

independent variable

9.
What is another word for hypothesis?
a)
evidence
b)
graph
c)
investigation
d)
prediction
10.
Why should an experiment be repeated?
a)
to form a hypothesis
b)
to reduce the chance of error
c)
to change controls
d)
to identify the problem
11.
The factor in an experiment that will be changed. 
a)
dependent variable
b)
independent variable
c)
controlled variable
d)
inferences 
12.
The summary at the end of an experiment that explains the results, and referrers to the hypothesis using data. 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
13.
The test of a hypothesis is called a
a)
control
b)
dependent variable
c)
conclusion
d)
experiment
14.
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
15.
A hypothesis is simply a prediction that has not yet been _.
a)
proven or disproven
b)
made into a theory
c)
results calculated
d)
written about
16.
This variable is the actual data collected during the experiment. 
a)
independent variable
b)
dependent variable
c)
control group
d)
data group
17.
Newton’s third law of motion states that for every action there is an equal and opposite reaction. How does this law differ from a theory?
a)
A theory explains a set of well tested observations; a law describes a pattern in nature.
b)
Laws can be changed with the addition of new evidence but theories cannot.
c)
A law explains a pattern in nature in more detail than a theory. 
d)
Theories are based on more evidence than laws.
18.
Why is it important that scientists modify scientific theories when important new information is discovered?
a)
to confuse other scientists
b)
to keep the theory interesting and fresh
c)
to keep the theory as accurate and effective as possible
d)
to make sure the general public does not understand the theory
19.

Which of the following are NOT examples of data?

a)

facts

b)

figures

c)

theories

d)

measurements

20.

A well-tested explanation for a wide range of observations or experimental results is called a scientific

a)

inquiry

b)

hypothesis

c)

theory

d)

law

21.

A statement that describes what scientists expect to happen every time under a particular set of conditions is a

a)

scientific inquiry

b)

scientific hypothesis

c)

scientific theory

d)

scientific law

22.

Observations that deal with a number or amount are called

a)

manipulated observations

b)

quantitative observations

c)

qualitative observations

d)

operational observations

23.

Observations that deal with descriptions that cannot be expressed in numbers are called

a)

manipulated observations

b)

quantitative observations

c)

qualitative observations

d)

operational observations

24.

Grocery stores organize food according to food type—dairy, frozen, bakery, and so on. This is an example of

a)

observation

b)

posing questions

c)

classifying

d)

inferences

25.
Which observation is quantitative?
a)
It is 5 cm long
b)
It is smooth
c)
It looks red
d)
It is dry
26.
Factor that you keep the same in an experiment
a)
Independent Variable
b)
Dependent Variable 
c)
Controlled Variable
d)
Operational Definition
27.
The final results and answers to your big question is shared in your ________________.
a)
conclusion
b)
hypothesis
c)
observation
d)
inquiry
28.
After a scientific experiment is performed, data is recorded, and conclusions are drawn, what should be done next?
a)
Share your research with other scientists
b)
Keep your research a secret
c)
Destroy all evidence of your experiment
29.
A set of step-by-step instructions is called a ______________________.
a)
procedure
b)
data
c)
inquiry
d)
hypothesis
30.

What can undo a theory?

a)

A single test proving a theory wrong

b)

A single "repeatable" test proving a theory wrong

c)

A change in publics opinion of a theory

d)

Politicians can pass laws undoing a theory

31.

What is science? (pick all correct answers)

a)

Science is able to solve all the worlds problems

b)

Science is measurable and observable

c)

Science is a search for truth and understanding

d)

Science is opinions and personal beliefs

e)

Science consists of strong theories inferred from solid evidence

32.

Science is not? (pick all correct answers)

a)

Science is open to change and modifiable

b)

Science is based on faith and belief

c)

Able to solve all the worlds problems

d)

Science is made stronger by multiple lines of evidence

e)

Science is decided by debate, law, and politics

33.

Which of the following statements about hypotheses is true?

a)

Hypotheses can never be

changed.

b)

Hypotheses are always proven to be true.

c)

Hypotheses can be accepted or rejected

d)

Hypotheses can be proven true without evidence.

34.
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
35.

Samuel conducts an experiment. He makes many observations and measurements and records each very carefully. At the conclusion of the experiment he discovers that the data he collected do not support his hypothesis. What should he do?

a)

Report his observations and conclusions honestly, clearly stating that the data do not support the hypothesis.

b)

Change his hypothesis to one that is supported by the data.

c)

Change the data so that they support his hypothesis.

d)

Throw all of his data and observations away and repeat the experiment

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