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Scientific Method
Scientific Method
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Mr. Duane's Chemistry Class - Scientific Method
Flashcards
14 cards
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Questions
14
Answers
1
A control group helps an experiment because it give the scientist
None of the above
More participants
A group to compare experimental results to
More work
2
What do you need in order to begin the scientific method?
A problem/question
A degree
Tools
Hands
3
What is the difference between the experimental group and the control group?
The experimental group is unreliable
The experimental group is larger
The experimental group gets results
The experimental group get the independent variable done on them
4
Select the correctly written hypothesis
What happens if you train dogs?
Dogs are friendly animals.
If you train dogs more they might be better.
If you treat dogs well, then they will act friendly.
5
The dependent variable.....
Stays the same
Is the measured variable (results)
Is manipulated by the scientist
Has values that are known before the experiment
6
Johnny studies the effect of amount of light on plant growth. What is the independent variable?
Amount of Light
Plant growth
The amount of Soil
The type of plant
7
What is the independent variable?
The outcome
When you hold something constant
The variable being tested and changed
The variable measured
8
How is a control variable different than the dependent variable?
Control Variables remain constant.
Control variables are the same as dependent variables.
Control variables are what the scientist is testing.
Control variables are the outcome.
9
Johnny tests whether his own rap skills are the best in school. Why might you not trust his results?
He may be biased
He hates country music
He is not a scientist
He controlled too much
10
Coach Lowery wants to know if protein shakes make athletes stronger. What's the dependent variable?
The age of players
Player Strength
The coach
Shakes
11
True or False: Only people with degrees in science can conduct experiments.
False
True
12
Which scenario would be the most credible and accurate?
Not controlling variables and doing 100 trials
Controlling variables and doing 100 trials
Controlling all variables and doing one trial
Not controlling variables and doing one trial.
13
A good hypothesis must
Be testable
Make a prediction
Be based in logical observations
All the above
14
If an experiment cannot be repeated by other people or scientists then it's
Reliable
Not reliable
Perfect
a good experiment
