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WorksheetsControlled Experiments
Total questions: 15
Worksheet time: 13mins
Name
Class
Date
1.
You can have more than one independent variable in a controlled experiment.
a)
True
b)
False
2.
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
3.
A possible explanation for why something happens is called ___.
a)
a variable
b)
an experiment
c)
a hypothesis
d)
an assumption
4.
The step by step directions of the experiment are found in the:
a)
hypothesis
b)
conclusion
c)
procedure
d)
data table
5.
Which of the following is NOT a testable question?
a)
How do rockets work?
b)
Does fertilizer help plants grow bigger?
c)
Does heart rate increase with exercise?
d)
Does the freezing point of water change at different elevations?
6.
What is the best way to collect and record data?
a)
In a data table
b)
On post-it notes
c)
On scrap paper
d)
interpretive dance
7.
After the data is analyzed the hypothesis is stated as correct or incorrect in the __________
a)
conclusion
b)
experiment
c)
hypothesis
d)
table of contents
8.
What step does every scientific experiment begin with?
a)
hypothesis
b)
question/problem
c)
procedures
d)
conclusion
9.
The summary at the end of an experiment that explains the results.
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
10.
Testing a hypothesis often involves a(n):
a)
answer
b)
experiment
c)
problem
d)
safety check
11.
The factors in an experiment that can be changed.
a)
variables
b)
quantitative data
c)
hypothesis
d)
steps
12.
What tool do we use to measure length?
a)
graduated cylinder
b)
beaker
c)
ruler
d)
balance
13.
What tool do we use to measure mass?
a)
graduated cylinder
b)
beaker
c)
ruler
d)
balance
14.
Telescope
a)
Tool to help you see objects that are far away
b)
You can see larger objects with it
15.
Microscope
a)
Tool to help you see objects that are far away
b)
Tool to make objects appear much larger
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