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Experiment Design

Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.
What is the factor that an experimenter changes on purpose?
a)
Dependent Variable
b)
Independent Variable
c)
Constant
d)
Control
2.
A summary of the experiment that includes whether hypothesis was right or wrong
a)
Hypothesis
b)
Results
c)
Conclusion
d)
Independent Variable
3.
The part of the experiment that does not contain the independent variable. Used for comparison.
a)
Control Group
b)
Experimental Group
c)
Results
d)
Data
4.
What are all the things that are kept the same in an experiment?
a)
controls
b)
data
c)
constants
d)
independent variables
5.
What is the effect of salt water on the average of the 3 tallest blades of grass?
The above question is an example of:
a)
Hypothesis
b)
Conclusion
c)
Experiment
d)
Problem
6.
What is the effect of salt water on the average of the height of the 3 tallest blades of grass?
What is the independent variable in the above question?
a)
salt water
b)
height
c)
average
d)
effect
7.
What is the part of the experiment that contains the independent variable?
a)
control group
b)
experimental group
c)
hypothesis
d)
dependent variable
8.
What are the number of times each level of the independent variable is tested?
a)
constants
b)
control 
c)
repeated trials
d)
dependent variable
9.
An explanation of why something occurs in the natural world
a)
theory
b)
law
c)
hypothesis
d)
predicition
10.
2 ways that scientific investigations can be retested are:
a)
measurement and control
b)
repetition and replication
c)
defining a problem and hypothesizing
d)
concluding and analyzing
11.
An organized procedure to study something under controlled conditions is a(n)
a)
observation
b)
field study
c)
model
d)
experiment
12.
What is a factor that is measured for change in an experiment?
a)
control
b)
constant
c)
independent variable
d)
dependent variable
13.
What part of an experiment contains the data tables and graphs?
a)
Results
b)
Conclusion
c)
Hypothesis
d)
Materials
14.
What is an if....then statement that predicts the outcome of an experiment or how the Independent variable effects the dependent variable?
a)
Conclusion
b)
Materials
c)
Hypothesis
d)
Problem
15.
A numbered step by step description that begins with a verb and tells exactly how the experiment is to be done.
a)
reults
Results
b)
Problem
c)
Materials
d)
Procedures
16.
A detailed list of all types and exact amounts of items used in an experiment.
a)
Procedure
b)
Hypothesis
c)
Materials
d)
Grocery List
17.
A description of how something always occurs in nature
a)
Law
b)
Theory
c)
Model
d)
Conclusion
18.
The systematic study of nature is
a)
English
b)
Science
c)
Math
d)
History
19.

A scientist designs an experiment to test the amount of fertilizer needed for optimum growth of bean plants. The scientist plans to vary the amount of fertilizer sprinkled into each pot, and then measure the height of each plant after one week of growth and two weeks of growth. What is the dependent variable in this experiment?

a)

Time

b)

Amount of Fertilizer

c)

Height of the Plant

d)

Size of Pot

20.

Why is it important for scientists to write clear, step-by-step procedures when designing an experiment?

a)

Writing clear, step-by-step procedures ensures that the experiment cannot be repeated.

b)

Writing clear, step-by-step procedures ensures that the experiment can be replicated in the exact same way.

c)

Writing clear, step-by-step procedures ensures that the experiment can be deleted.

d)

Writing clear, step-by-step procedures ensures that the experiment can be step-by-step.

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