The control group is the group that is used...

to compare experimental groups to

What is the independent variable in an experiment?

Part of the experiment changed on purpose or intentionally.

What are constant variables?

Variables that are kept the same in the experiment.

Which group is the control group?

"Always Sharp" and "Pointy Pencils"

A hypothesis must contain what?

An independent and dependent variable.

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Scientific Method

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Scientific Method quiz for 7th grade

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Questions 15

Answers

1
Choose the correct answer.
B
C
A
D
2
The control group is the group that is used...
to compare experimental groups to
change the variables
used to measure the independent variable with
measure the dependent variable with
3
Which are the constants needed for this experiment?
the amount and type of writing being done
all of the above
the length of the pencils
person/persons testing the pencils
4
Choose the correct answer to this question
G
F
J
H
5
There must be a storm coming.
inference
observation
6
What is the independent variable in an experiment?
Part of the experiment controlled or kept constant.
Part of the experiment responding.
Part of the experiment changed on purpose or intentionally.
Part of the experiment measured.
7
"Eating breakfast increases performance at school." This statement is best described as a:
dependent variable
problem statement
data
hypothesis
8
What are constant variables?
Variables that are measured in an experiment.
Variables that are kept the same in the experiment.
Variables that are ignored.
Variables that are changed intentionally.
9
What is the independent variable in the experiment?
Pencils not being used at all.
Whether the point breaks.
The type of pencil being used.
"Always Sharp" brand.
10
How many independent variables should you have in an experiment?
3
1
as many as you would like
2
11
What part of the experiment is in place so to keep the experiment valid and used for comparing?
experimental group
results
research
control group
12
What is one constant variable in this experiment?
the hypothesis
same time the walk starts
the brands of sticks
the different weather he walks in
13
There are large waves on the ocean and the air smells of salt.
inference
observation
14
Which group is the control group?
"Never Break Pencils" brand test group
"Always Sharp" and "Pointy Pencils"
"Always Sharp" brand test group
"Pointy Pencils" brand test group
15
A hypothesis must contain what?
An independent and dependent variable.
Control variables.
if/then statement
A question mark.

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