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7th Grade Scientific Method from Mrs. A Flashcards | StudBud
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7th Grade Scientific Method from Mrs. A
7th Grade Scientific Method from Mrs. A
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Middle School Scientific Method Review
Flashcards
43 cards
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Questions
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Answers
1
What word explains what a hypothesis is?
Procedure
Prediction
Data
Results
2
What is a
constant
in an experiment?
Anything that remains the same
Anything that is unusual
Anything that changes
What is controlled
3
How many independent variables are in an experiment?
three
two
one
4
You can stop ALL sources of error by following the procedure and recording data carefully.
False
True
5
What might cause a theory to change over time?
New but un-testable ideas.
Changes in public opinion.
New laws passed by the government.
The discovery of new evidence.
6
Convert:
563 m
= __________
km
.563
21
563
5,630
7
Why is it important to have a control group when using the scientific method?
To have something "normal" to compare the results to
So you can control the results
To keep everything the same
To get the best results
8
A series of logical steps that is followed in order to solve a problem is called the _____ .
scientific method
model method
scientific theory
experimental process
9
Is this testable?
Does the color of light affect the growth of plants?
Yes
No
10
Is this testable?
What will happen to the distance a paper airplane flies if the size changes?
Yes
No
11
Which one of these is
longest
?
50,000 cm
5 km
10 km
500,000 mm
12
Is this testable?
Why do paper airplanes fly?
Yes
No
13
Convert
3 m
= ____________
cm
30
300
.03
.3
14
In a scientific investigation, what are the two
testable
factors?
Codependent variables
Control and Conclusion
Qualitative & Quantitative
Independent variable & Dependent variable
15
Why do we usually repeat experiments many times in Science before drawing a conclusion?
Scientists get more money that way!
Scientists are bored.
Every time we experiment, we get more information
So we aren't biased
16
A scientific theory is an explanation that:
predicts what will happen.
scientists have repeatedly tested.
has been tested by many observations.
has been published in a journal or book.
17
You are inferring when you
think about what will happen
interpret what already happened
18
Convert to scientific notation:
2.4 x 107
2.43 x 105
2.43 x 107
2.43 x 106
19
What is the
last
step of the scientific method?
Hypothesis
Conclusion
Question
Share Results
20
What is an inference?
An idea based on observations, evidence and/or facts.
A type of scientific investigation.
The odds that a scientist will have error in an experiment.
An assumption based on personal beliefs.
21
What is the
independent variable
?
What the scientist changes in an experiment
What remains the same in an experiment
What is measured in an experiment
The average
22
What is data?
A prediction as to what is going to happen in an experiment.
The observations and measurements made during an experiment.
The steps performed in an experiment.
The materials used in an experiment.
23
In an investigation, the factors that do
not
change are called the what?
independent variable
dependent variable
data
control
24
What is the
dependent variable
in an experiment?
What is being measured
What is staying the same
What is being changed
25
A good way to
organize
and
record
your results and observations is _____.
by having a hypothesis before you begin your experiment
in a data table
by using a calculator
with a balance or scale
26
What are the factors in an experiment called?
Data
Outcome
Variables
Observation
27
Your best friend lives
1.5 km
away. How many
meters
is that?
0.15m
1500m
15000m
15m
28
Which student’s measurements have high precision but low accuracy? The correct value is 35.9 g
None
Matthew
Leonard
Nicole
29
Science or Pseudoscience?
Science
Pseudoscience
30
Why is it important to discuss errors?
Errors can influence the results of the experiment.
Errors indicate bias in an experiment.
Errors make results more reliable.
Errors should not be discussed in a conclusion.
31
What characteristic must be true of a good hypothesis?
It must have been observed many times.
It must be testable by observation or experiment.
It must involve quantitative data.
It must be correct.
32
In the graph below what would be the
Dependent Variable
?
Growth
Daily Amount of Water
33
A possible solution to a scientific problem is a(n)...
theory
hypothesis
conclusion
law
34
Scientists test a hypothesis by:
designing models
formulating questions
drawing conclusions
doing experiments
35
After scientists analyze the results of their experiments_______.
include a control
choose the variables they want to test
communicate those results to other people
form a hypothesis
36
What do scientists consider the backbone of all scientific investigations?
Hypothesis
Experiment
Data
Research
37
What is the one thing that a hypothesis must be?
Testable
Changable
Predictable
Correct
38
It is also called an educated guess and is written as an
if... then...
statement
Hypothesis
Problem
Question
Experiment
39
In the graph below what is the
Independent Variable
?
Time
Distance
40
Maria ran
26.2 km
on Saturday. How many
meters
did she run?
262m
2.62
26.2m
26,200m
41
An example of qualitative observation would be _______.
how cute something is.
an odor given off.
how much something cost.
weight in grams.
42
When scientists create a representation of a complex process, they are:
inferring
making models
predicting
classifying
43
In this step of the scientific method you design and carry out test, or trials.
Experiment
Hypothesis
Problem
Conclusion
