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Scientific Method Flashcards | StudBud
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Scientific Method
Scientific Method
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#grade8 #science
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
(True or False): A hypothesis is made before an observation has taken place.
False
True
2
Why do scientists repeat experiments several times?
to use up all their materials
to memorize the procedures
to make sure their results are accurate
to change the variable each time
3
If I increase my vitamin C intake, then I will have fewer colds. What is a controlled variable?
Amount of times you come in contact with germs
Number of colds
Amount of vitamin C
4
Making an interpretation from an observation is called a(n) _____.
Hypothesis
Controlled Variable
Experiment
Inference
5
The process of testing a hypothesis under controlled conditions is called a(n) _____.
Conclusion
Observation
Data/Results
Experiment
6
Information or observations collected during an experiment are called _____.
Hypothesis
Data/Results
Problem
Conclusion
7
Why do scientists publish the results of their experiments?
so that other scientists can see that they are working
so that other scientists can learn from what they did
to make money
so that publishers can print books on science
8
If I floss more, then I will have fewer cavities. What is the independent variable?
Type of floss
Amount of flossing
Number of cavities
9
Which of the following would make the results of an experiment more reliable?
Multiple variables
Change the hypothesis
Repeated/Multiple trials
Changing the procedure
10
The variable that is kept the same through the experiment is called a(n) _____.
Dependent Variable
Controlled Variable
Independent Variable
Hypothesis
11
If I put my batteries in the fridge, they will last longer. What is the control group?
Batteries in the fridge getting cold
Batteries on the countertop at room temperature
Batteries in the oven getting warm
12
The final summary of the data and results is/are called a(n) _____.
Hypothesis
Conclusion
Experiment
Inference
13
The variable that is measured in an experiment is known as which of the following?
Independent variable
Dependent variable
Experimental variable
Controlled variable
14
Why do scientists collect data during an observation or investigation?
For the science fair
To make a graph
To answer a question about the world
To do math
15
If I put on stronger sunscreen, then I will burn less. What is the dependent variable?
Severity of sunburn
Strength of sunscreen
Time spent in the sunlight
16
Which is the best scientific question?
Which smart phone is the worst?
Which smart phone is the best?
Which smart phone has the most internal memory?
Which smart phone works very well?
17
The question that is being tested is called a(n) _____.
Hypothesis
Problem
Data/Results
Experiment
18
An educated guess or statement about what is going to happen is called a(n) _____.
Problem
Controlled Variable
Hypothesis
Observation
19
What skill is a scientist using when she listens to the sounds that birds make?
Forming a hypothesis
Drawing conclusions
Making observations
Interpreting data
20
Does pipe material affect the temperature of flowing water? What is the dependent variable?
Pipe material
Diameter of the pipe
Water temperature
