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Scientific Method
Scientific Method
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A quiz over the scientific method
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
All of these need to be part of any graph you create EXCEPT
Labeled axis with units
Colors
A title
Equal intervals
2
Which scenario would be the most credible and accurate?
Controlling all varianles and doing one trial
Not controlling variables and doing one trail
Not controlling variables and doing 100 trials
Controlling variables and doing 100 trials
3
To run a controlled experiment on how sleep affects student test scores, you must
vary the type of tests that you give students
vary the amount of sleep and food each group of students eat
vary amount of sleep and keep all other variables the same
4
Select the correctly written hypothesis
If you train dogs more, they might be better
Dogs are friendly
If you treat dogs well, then they will be friendly
What happens if you train dogs?
5
The purpose of a procedure is to
Make sure that the participants know exactly what is happening
Keep other people from copying
Show others the steps you took to do the experiement
Make you do more writing
6
Why should an experiment be repeated?
to reduce the chance of error
to identify the problem
to change controls
to form a hypothesis
7
Which step of the scientific method do you determine if your hypothesis was right or wrong?
Observation
Replicate experiment
Conclusion
Experiment
8
A soccer team wants to know if protein shakes make you stronger. What is the dependent variable?
Player strength
The coach
The age of the players
Protein shake
9
A possible answer / a predicted outcome
evaluating
subjective
hypothesis
variable
10
The effect of amount of light on plant growth. What is the independent variable?
Plant growth
The amount of soil
Type of plant
Amount of light
11
If an experiment cannot be repeated by other people or scientists then it's
a good experiment
not reliable
perfect
reliable
12
A hypothesis is a(n) _____________ guess based on _______________ and your knowledge.
educated, observations
funny, jokes
uneducated, news
wild, supersitition
13
Which variable is controlled by the experimenter?
Independent
Dependent
14
Which group in an experiment receives the treatment?
Experimental Group
Control Group
15
The last step in the scientific method is ________________.
Communicate and Repeat Experiment
Analyze Data
Experiment
Make an Observation
16
How is a control variable different than the dependent variable?
Control variables are the outcome
Control variables are the same as dependent variables
Control variable remain constant
Control variables are what the scientist is testing
17
A process that is used to find answers to questions about the world around us?
Guessing
Scientific Method
Hypothesis
Problem
18
A hypothesis must be ______________.
a question
written in caps
1000 words and double spaced
testable
19
In a study of how sleep affects test scores, which group would be the control?
the group that received 4 hours of sleep
the group that received 0 hours of sleep
the group that received 6 hours of sleep
the group that received 2 hours of sleep
20
The variable that is changed in an experiment.
Dependent variable
Independent variable
