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Experimental Design
Experimental Design
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Experimental Design
Flashcards
24 cards
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Practice quiz
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Questions
24
Answers
1
Does temperature affect heart rate? What is one factor that should be a constant?
Temperature
Heart rate
All of these
Type of oraganism
2
Noticing or describing events in a careful, orderly way
Inference
Theory
Hypothesis
Observations
3
Does temperature affect heart rate in daphnia? What is the dependent variable?
Type of organism
Temperature
Number of daphnia in each group
Heart rate
4
What claim could be made about the data in the graph?
As age increases, weight increases.
As age increases, weight stays the same.
As age increases, weight decreases.
There is no relationship between age and weight.
5
An explanation answering the original question that is supported by data from the experiment
Theory
Observations
Conclusion
Hypothesis
6
In a conclusion, what should be included in the "EVIDENCE" section?
Explain why we got these results
Provide specific data
Answer the original question
Provide a detailed procedure
7
Conditions that are the SAME between the control and experimental groups
Data
Constants
Dependent variables
Independent variables
8
Which of the following is a testable hypothesis for the affect of fertilizer on corn growth?
If more water is added, then corn will grown taller.
If corn receives more sunlight, then it will grow taller.
If fertilizer is added, then corn will grow taller.
The corn will die.
9
An explanation of a natural phenomenon that is supported by many experiments and evidence
Hypothesis
Conclusion
Observations
Theory
10
Which type of graph would be best for data on the number of students who pass each subject?
Line graph
Circle graph
Any of these would work
Bar graph
11
In a conclusion, what should be included in the "REASONING" section?
Explain why we got these results
Answer the original question
Provide specific data
Provide a detailed procedure
12
The factor that is tested during an experiment
Control group
Independent variable
Constant
Dependent variable
13
Descriptive information; characteristics that cannot be expressed as a number
Quantitative data
Qualitative data
Measurements
Variables
14
A scientific explanation for a set of observations that can be tested with an experiment
Conclusion
Theory
Hypothesis
Data
15
The group which does not get the independent variable; "normal" conditions
Constant
Experimental group
Dependent variable
Control group
16
A series of steps scientists used to investigate a question
Scientific Method
Observation
Procedure
Experiment
17
Does temperature affect heart rate in daphnia? Name the independent variable.
Number of daphnia in each group
Temperature
Type of organism
Heart rate
18
Why is it necessary for scientists to write clear, detailed procedures?
Their data can be verified by other scientists.
Neither of these.
The experiment can be repeated by other scientists.
Both of these.
19
Which type of graph would be appropriate for data on the change in population size over time?
Any of these
Line graph
Bar graph
Circle graph
20
One corn plant is given plain water and one water with fertilizer. Which is the control group?
Both of these
Neither of these
Group given water with fertilizer
Group given plain water
21
The factor that is observed or measured during an experiment; the data collected
Control group
Dependent variable
Independent variable
Constant
22
In a conclusion, what should be included in the "CLAIM" section?
Answer the original question
Provide specific data
Provide a detailed procedure
Explain why we got these results
23
Numbers obtained by counting or measuring
Observations
Quantitative data
Qualitative data
Descriptive data
24
The test group in which the independent variable is changed
Dependent variable
Constant
Control group
Experimental group
