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Duplicate of Scientific method Flashcards | StudBud
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Duplicate of Scientific method
Duplicate of Scientific method
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a review of the scientific method
Flashcards
30 cards
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Practice quiz
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Host live
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Questions
30
Answers
1
The ______ group does not get the tested change in an experiment and is used for comparison.
experimental
variable
control
2
Which statement is an inference?
A weather vane indicates the wind is coming from the west.
A mineral sample shows a gray-black streak when tested.
Based on previous data, 10 hurricanes may occur next year.
A thermometer shows that the air temperature is 56°F.
3
If she gives fertilizer, then her tomato plants grow bigger. What should be the independent?
Plants grown with just water.
fertilizer.
Plants grown with fertilizer.
The tomato plants are growing bigger.
4
You can make a(n) ___ by using your 5 senses.
experimental group
observation
control
inference
5
The tomato plants were redder than the control plants. This is a __
both qualitative and quantitative observation
quantitative observation
neither qualitative nor quantitative observation
qualitative observation
6
What is a statement that can be tested?
inference
observation
hypothesis
control
7
What is the first step of the scientific method?
record data
Come to a conclusion
Identify a problem/ make an observation
Inform other people
8
What do scientists do after they analyze their results?
Come to a conclusion
Identify a problem
Observe and record data
Inform other people
9
At the end of an experiment, what should a scientist do?
Observe and record data
start a new experiment
Inform other people
Identify a problem
10
A source of error and suggestions for improvement would be found in the ___
hypothesis
observations/data
procedure
conclusion
11
Which of the following is an appropriate title for a graph?
The effect of different paper on plane flight distance.
The average distance of the planes.
Control vs experimental planes
Airplane lab
12
If your hypothesis is proven wrong, what should you do?
report your data accurately
Revise your hypothesis and/ or repeat your experiment
stop answering your problem
Change your data to fit your hypothesis
13
My hypothesis was proven correct. What is the name of this part of an experiment?
These are observations/data.
This is a procedure.
This is a problem.
This is a conclusion.
14
The tomato plants were tastier than the control plants. This is a __
both qualitative and quantitative observation
qualitative observation
quantitative observation
neither qualitative nor quantitative observation
15
If she gives fertilizer, then her tomato plants grow bigger. What should be the control?
The tomato plants are growing bigger.
Plants grown with just water.
Plants grown with fertilizer.
fertilizer.
16
The __ is the part of the experiment that you change on purpose.
constant
control
dependent variable
independent variable
17
The difference between a control group and an experimental group is called a ___?
design
experiment
hypothesis
variable
18
A student states that the graduated cylinder contains 150 mL of water. This statement is
inference
hypothesis
prediction
observation
19
Fold down the wings of the airplane. What is the name of this part of an experiment?
This is a problem.
This is a procedure.
This is a conclusion.
These are observations/data.
20
As the pressure increases, the volume__
stays the same
increases
decreases
increases, then decreases
21
Which shows the correct order of the scientific method?
Question, Research, Experiment, Data, Hypothesis, Conclusion
Question, Research, Hypothesis, Experiment, Data, Conclusion
Question, Hypothesis, Experiment, Data, Research, Conclusion
Question, Hypothesis, Research, Data, Experiment, Conclusion
22
How many variables can a controlled experiment have?
4
1
3
2
23
A _____ is a statement that contains an If... then statement.
hypothesis
experimental
question
control
24
How would you set up an experiment to test if Hilde's fertilizer (HF) increases tomato size?
Tomato plants need fertilizer to grow.
Give 10 plants HF and 10 no HF, measure size of tomatoes.
Make observations about your tomato plants.
Give all plant HF and then measure the size of tomatoes.
25
If she gives fertilizer, then her tomato plants grow bigger. What should be the experimental?
The tomato plants are growing bigger.
fertilizer.
Plants grown with just water.
Plants grown with fertilizer.
26
The tomato plants were redder and 4.6 cm bigger than the control plants. This is a __
quantitative observation
neither qualitative nor quantitative observation
both qualitative and quantitative observation
qualitative observation
27
If she gives fertilizer, then her tomato plants grow bigger. What should be the dependent?
Plants grown with just water.
The tomato plants are growing bigger.
fertilizer.
Plants grown with fertilizer.
28
The tomato plants were 4.6 cm bigger than the control plants. This is a __
qualitative observation
both qualitative and quantitative observation
quantitative observation
neither qualitative nor quantitative observation
29
Does shampoo increase hair growth? What is the name of this part of an experiment?
This is a procedure.
These are observations/data.
This is a conclusion.
This is a problem.
30
If you discover new data about a theory that does not agree, what can happen to the old theory?
The theory becomes a hypothesis
Theories become laws
The theory can be changed
Theories never change
