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Scientific Method
Scientific Method
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Basic scientific method for Biology
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
Which scenario would be the most credible and accurate?
Controlling all variables and doing one trial
Not controlling variables and doing 100 trials
Controlling variables and doing 100 trials
Not controlling variables and doing one trial.
2
If an experiment cannot be repeated by other people or scientists then it's
Perfect
a good experiment
Not reliable
Reliable
3
This is the type of graph that requires a key
A line graph
A multi-line graph
All graphs require a key
A bar graph
4
The purpose of a procedure is to....
Make you do more writing
Make sure that the participants know exactly what's happenin
Keep other people from copying
Show others the steps you took to do the experiment.
5
A good hypothesis must
Be testable
Make a prediction
Be based in logical observations
All the above
6
A control group helps an experiment because it give the scientist
More participants
A group to compare experimental results to
More work
None of the above
7
What do you need in order to begin the scientific method?
Hands
A problem/question
A degree
Tools
8
What is the first thing you do if you are in the lab and you spill chemicals on your hands?
Get the fire extinguisher
Scream
Tell the instructor
Pull the chemical shower
9
The effect of the amount of light on plant growth. This would be a good....
Title for a graph
Hypothesis
Independent variable
Dependent variable
10
All of these need to be part of any graph you create EXCEPT
A title
Colors
Labeled axis with units
Equal intervals
11
John tests whether his rap skills are the best in school. Why would you not trust his results?
He hates country music
He controlled too much
He is biased
He is not a scientist
12
Select the correctly written hypothesis
If you train dogs more they might be better.
If you treat dogs well they will be friendly.
What happens if you train dogs?
Dogs are friendly
13
True or False: Only people with degrees in science can conduct experiments.
False
True
14
Roosevelt football team wants to know protein shakes makes you stronger. What's the DV here?
Player Strength
Shakes
The age of players
The coach
15
The effect of amount of light on plant growth. What is the IV?
The amount of Soil
The type of plant
Amount of Light
Plant growth
16
What is the difference between the experimental group and the control group
The experimental group gets results
The experimental group get the IV done on them
The experimental group is independent
The experimental group is larger
17
How is a control variable different than the dependent variable?
Control variables are the same as dependent variables.
Control variables are what the scientist is testing.
Control variables are the outcome.
Control Variables remain constant.
18
The dependent variable is the.....
Changed by the scientist
Stays the same
Results
Is known before the experiment
19
This is when you state whether your hypothesis was correct, your errors, and what you do next.
Problem
Conclusion
Graph
Procedure
20
What is the independent variable
The outcome
The variable being tested and changed
When you hold something constant
The variable measured
