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Scientific Method Flashcards | StudBud
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Scientific Method
Scientific Method
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#grade8 #science
Flashcards
21 cards
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Questions
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Answers
1
Why do scientists repeat experiments several times?
to use up all their materials
to make sure their results are accurate
to memorize the procedures
to change the variable each time
2
Why do scientists collect data during an observation or investigation?
To make a graph
To do math
For the science fair
To answer a question about the world
3
If I put on stronger sunscreen, then I will burn less. What is the dependent variable?
Time spent in the sunlight
Severity of sunburn
Strength of sunscreen
4
If I increase my vitamin C intake, then I will have fewer colds. What is a controlled variable?
Number of colds
Amount of vitamin C
Amount of times you come in contact with germs
5
Which is the best scientific question?
Which smart phone has the most internal memory?
Which smart phone works very well?
Which smart phone is the best?
Which smart phone is the worst?
6
The final summary of the data and results is/are called a(n) _____.
Experiment
Conclusion
Hypothesis
Inference
7
Does pipe material affect the temperature of flowing water? What is the dependent variable?
Pipe material
Diameter of the pipe
Water temperature
8
(True or False): A hypothesis is made before an observation has taken place.
True
False
9
The question that is being tested is called a(n) _____.
Hypothesis
Problem
Experiment
Data/Results
10
Information or observations collected during an experiment are called _____.
Conclusion
Data/Results
Hypothesis
Problem
11
Making an interpretation from an observation is called a(n) _____.
Inference
Experiment
Hypothesis
Controlled Variable
12
The variable that is kept the same through the experiment is called a(n) _____.
Dependent Variable
Controlled Variable
Hypothesis
Independent Variable
13
If I floss more, then I will have fewer cavities. What is the independent variable?
Amount of flossing
Number of cavities
Type of floss
14
An educated guess or statement about what is going to happen is called a(n) _____.
Controlled Variable
Hypothesis
Problem
Observation
15
Which of the following would make the results of an experiment more reliable?
Changing the procedure
Change the hypothesis
Repeated/Multiple trials
Multiple variables
16
The process of testing a hypothesis under controlled conditions is called a(n) _____.
Observation
Conclusion
Experiment
Data/Results
17
What is empirical evidence?
research data that is made up
research data that is based on direct observations
research data based on what other scientists have discovered
research data that is based on what you know
18
What skill is a scientist using when she listens to the sounds that birds make?
Interpreting data
Drawing conclusions
Forming a hypothesis
Making observations
19
If I put my batteries in the fridge, they will last longer. What is the control group?
Batteries on the countertop at room temperature
Batteries in the oven getting warm
Batteries in the fridge getting cold
20
Why do scientists publish the results of their experiments?
so that other scientists can learn from what they did
so that publishers can print books on science
so that other scientists can see that they are working
to make money
21
The variable that is measured in an experiment is known as which of the following?
Dependent variable
Experimental variable
Independent variable
Controlled variable
