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Scientific Method Review - Environmental Science Flashcards | StudBud
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Scientific Method Review - Environmental Science
Scientific Method Review - Environmental Science
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1
What is a prediction?
The outcome we expect to see if the hypothesis is correct
An answer to the question
The answer to the experiment
What you are trying to answer in your experiment
2
This is when you state whether your hypothesis was correct, your errors, and what you do next.
Problem
Procedure
Conclusion
Graph
3
A good hypothesis must
Be based in logical observations
Be testable
All of these
Make a prediction
4
Which scenario would be the most credible and accurate?
Not controlling variables and doing one trial.
Controlling all variables and doing one trial
Not controlling variables and doing 100 trials
Controlling variables and doing 100 trials
5
What is theoretical/calculated probability?
The likelihood of an event occurring
The probability recorded during chance experiments
The theory of probability
The probability we expect to occur during chance experiments
6
Why do scientists use correlations?
It happened too long ago for us to study.
It's unethical to study.
All of these
It's impossible to study.
7
Roosevelt football team wants to know if protein shakes makes you stronger. What's the Dependent Variable here?
The coach
The age of players
Player Strength
Shakes
8
The dependent variable...
Is the result
Is known before the experiment
Stays the same
Is changed by the scientist
9
What is the probability of the spinner landing on yellow?
7/8
2/12
1/12
1/6
10
The effect of the amount of light on plant growth. This would be a good....
Independent variable
Hypothesis
Dependent variable
Title for a graph
11
The effect of amount of light on plant growth. What is the Independent Variable?
Amount of Light
The type of plant
Plant growth
The amount of Soil
12
Which is not a type of correlation ?
no correlation
upward
positive
negative
13
What do you need in order to begin the scientific method?
A problem/question
Tools
A degree
Hands
14
How is a control variable different than the dependent variable?
Control variables are the outcome.
Control variables are the same as dependent variables.
Control variables are what the scientist is testing.
Control variables remain constant.
15
What is the difference between a theory and a law?
Laws explain why things occur, theories tell what occurs.
Laws explain what occurs, theories explain why they occur.
Theories aren't certain, laws are.
Theories can be proven wrong, laws cannot.
16
What is the difference between the experimental group and the control group
The experimental group gets the Independent Variable done on them
The experimental group is independent
The experimental group is larger
The experimental group gets results
17
All of these need to be part of any graph you create EXCEPT
A title
Labeled axis with units
Colors
Equal intervals
18
What is the independent variable
When you hold something constant
The outcome
The variable measured
The variable being tested and changed
19
If an experiment cannot be repeated by other people or scientists then it's
Not reliable
Perfect
Reliable
a good experiment
20
What is scientific theory?
It is a collection of experimental data
It is a guess or conjecture about natural phenomena.
It is an explanation of the why or how of natural phenomena
It is an assertion of scientific fact.
21
The purpose of a procedure is to....
Keep other people from copying
Show others the steps you took to do the experiment.
Make you do more writing
Make sure that the participants know exactly what's happening
22
Does correlation equal causality?
Not necessarily
Always no
As long as your mate reckons it does
Yes
23
John tests whether his rap skills are the best in school. Why would you not trust his results?
He controlled too much
He is not a scientist
He hates country music
He is biased
24
True or False: Only people with degrees in science can conduct experiments.
False
True
25
Select the most correctly written hypothesis
Dogs are friendly
What happens if you train dogs?
If you give dogs treats they will be friendly because they are hungry
If you train dogs more they might be better.
26
What is statistics about?
organizing data
interpreting data
all of these
analyzing graphs
27
A control group helps an experiment because it give the scientist
A group to compare experimental results to
More work
More participants
None of the above
