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