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Scientific Method Test Flashcards | StudBud
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Scientific Method Test
Scientific Method Test
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1
Janice tests the effects of sunlight on bean seed germination. What is the independent variable?
amount of sunlight
number of bean seeds
Rate of germination
water
2
The order of the Scientific Method is....
Observe, Hypothesis, Experiment, Gather Data, Conclusion
Hypothesis, Experiment, Observe, Gather Data, Conclusion
Observe, Experiment, Gather Data, Conclusion, Hypothesis
Hypothesis, Experiment, Observation, Gather Data, Conclusion
3
What is the first step of the scientific method?
procedures
conclusion
beakers
question
4
An experiment is a series of steps designed to answer a question or problem.
False
True
5
A value or a factor in an experiment that is the same for each group is an independent variable.
False
True
6
What do you call an educated guess or prediction in an experiment?
independent variable
data
hypothesis
control group
7
What can you infer about the following bar graph?
Students in secondary school prefer the color blue
Students in secondary school prefer the color green
Students in preschool prefer the color red
Students do not like green
8
On which axis is the independent variable?
X-axis
Y-axis
9
After organizing and analyzing data, what should a researcher do to make an experiment more valid?
Give up
Retest
Make assumptions
Create charts
10
A particular preference or point of view that may affect the results of an experiment
Unbias
Bias
Placebo
Theory
11
What are controlled variables/constants?
All things kept the same every time you test
A question you're trying to answer
The dependent variable
Educated guess
12
A student questions why certain foods should be refridgerated. What could be their hypothesis?
People used to use salt and sugar to keep foods from spoiling
Food left outside spoils father than food left in the shade
Refrigerators cool the air inside them
The cool air in the refrigerator keeps bacteria from growing on food
13
In what metric system unit is the dependent variable being measured?
Kiloliters
Kilograms
Newtons
Grams
14
Group used as a comparison to the experimental group.
independent variable
control
dependent variable
constant
15
You suggest the presence of water could accelerate the growth of bread mold. This is a(n)
experiment
conclusion
analysis
hypothesis
16
The variable in an experiment that remains the same for every trial.
control
independent variable
constant
dependent variable
17
A pill that contains no active ingredients is given to a control group. What is this type of pill called?
dependent variable
independent variable
placebo
control
18
A hypothesis must be . . . (there may be more than one answer)
Always correct
Incorrect
Testable
Valid
19
What type of graph would be best to show parts of a whole
Line graph
Pie chart
Bar graph
Scatter plot
20
A hypothesis is useful only if . . .
It can be proved incorrect
It can be proven correct
It can be tested
The answer is already known
