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Scientific Method Flashcards | StudBud
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Scientific Method
Scientific Method
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#grade8 #science
Flashcards
47 cards
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Practice quiz
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Host live
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Questions
47
Answers
1
What is the inference?
The road has a dotted line down the center.
There are 15 trees
There was an earthquake
One cabin is upright and one is on the ground.
2
What is the dependent variable for this experiment?
Time (min)
The graph
Temperature
3
What skill is a scientist using when she listens to the sounds that birds make?
Forming a hypothesis
Drawing conclusions
Interpreting data
Making observations
4
If I increase my vitamin C intake, then I will have fewer colds. What is a dependent variable?
Amount of vitamin C
Amount of times you come in contact with germs
Number of colds
5
The bag increased in size. Is this an observation, inference or prediction?
inference
quantitative observation
qualitative observation
prediction
6
Does pipe material affect the temperature of flowing water? What is the dependent variable?
Water temperature
Diameter of the pipe
Pipe material
7
If I increase my vitamin C intake, then I will have fewer colds. What is a independent variable?
Amount of times you come in contact with germs
Amount of vitamin C
Number of colds
8
The variable that is kept the same through the experiment is called a(n) _____.
Hypothesis
Dependent Variable
Independent Variable
Controlled Variable
9
The dependent variable is graphed on the
y axis
x axis
10
Observation? Inference? Prediction? If I touch the hot stove, then I will burn my hand.
qualitative observation
quantitative observation
Predition
Inference
11
If I floss more, then I will have fewer cavities. What is the ependent variable?
Number of cavities
Type of floss
Amount of flossing
12
Which is the best scientific question?
Which smart phone is the best?
Which smart phone is the worst?
Which smart phone has the most internal memory?
Which smart phone works very well?
13
Making an interpretation from an observation is called a(n) _____.
Experiment
Controlled Variable
Inference
Hypothesis
14
Observation or inference: The girl is playing hookie.
quatitative observation
qualitative observation
inference
15
A puppy is 43 cm long. Is this an observation, inference or a prediction?
quantitative observation
inference
prediction
qualitative observation
16
Does pipe material affect the temperature of flowing water? What is the independent variable?
Pipe material
Water temperature
Diameter of the pipe
17
Observation or inference: The girl is wearing pink.
qualitative observation
Inference
quantitative observation
18
Why do scientists collect data during an observation or investigation?
To do math
For the science fair
To make a graph
To answer a question about the world
19
An educated guess or statement about what is going to happen is called a(n) _____.
Hypothesis
Controlled Variable
Observation
Problem
20
Does pipe material affect the temperature of flowing water? What is something that must remain constant?
Diameter of the pipe
Water temperature
Pipe material
21
What is the independent variable for this experiment?
Temperature
Time (min)
The graph
22
Observation or an inference? The boy hurt his knee playing soccer.
qualitative observation
inference
quatitative observation
23
Which of the following would make the results of an experiment more reliable?
Repeated/Multiple trials
Multiple variables
Changing the procedure
Change the hypothesis
24
If I put my batteries in the fridge, they will last longer. What is the dependent variable?
brand of batteries
length of battery life
temperature you keep the batteries at
25
In a month, the puppy will be larger in size. Is this an observation, inference or prediction?
quantitative observation
qualitative observation
inference
prediction
26
If I put my batteries in the fridge, they will last longer. What is the independent variable?
length of battery life
temperature you keep the batteries at
brand of batteries
27
What is the DEPENDENT variable of this graph?
Temperature
Time (minutes)
28
The variable that is measured in an experiment is known as which of the following?
Independent variable
Experimental variable
Controlled variable
Dependent variable
29
If I floss more, then I will have fewer cavities. What is the independent variable?
Number of cavities
Type of floss
Amount of flossing
30
Carbon dioxide caused the bag to expand. Is this an observation, inference or prediction?
prediction
observation
inference
31
Why do scientists repeat experiments several times?
to make sure their results are accurate
to memorize the procedures
to use up all their materials
to change the variable each time
32
The final summary of the data and results is/are called a(n) _____.
Inference
Experiment
Conclusion
Hypothesis
33
What is the INDEPENDENT variable of this graph?
Time (minutes)
Temperature
34
If I put on stronger sunscreen, then I will burn less. What is the dependent variable?
Severity of sunburn
Time spent in the sunlight
Strength of sunscreen
35
What is the dependent variable in an experiment?
the part of the experiment that is kept the same
the part of the experiment that is measured in a comparison
it depends on sources of error
the one thing in an experiment that is changed
36
If I put my batteries in the fridge, they will last longer. What is the control group?
Batteries in the fridge getting cold
Batteries in the oven getting warm
Batteries on the countertop at room temperature
37
Observation or inference: The girl is sick.
Inference
qualitative observation
quatitative observation
38
Which statement is the prediction (an inference about the future)?
It rained last week.
It might rain.
It is raining.
The weather forecaster has no idea what it's doing.
39
The question that is being tested is called a(n) _____.
Experiment
Data/Results
Hypothesis
Problem
40
If I increase my vitamin C intake, then I will have fewer colds. This is an example of a:
variable
hypthesis
problem
conclusion
41
If I floss more, then I will have fewer cavities. This is an example of a:
observation
hypothesis
inference
prediction
42
Which statement is an inference and
not
just an observation?
The cat is rubbing against my leg.
The cat is meowing.
The cat is looking toward the food dish.
The cat is hungry.
43
The independent variable is graphed on the
x axis
y axis
44
The process of testing a hypothesis under controlled conditions is called a(n) _____.
Experiment
Observation
Conclusion
Data/Results
45
Information or observations collected during an experiment are called _____.
Hypothesis
Conclusion
Problem
Data/Results
46
Why do scientists publish the results of their experiments?
so that publishers can print books on science
so that other scientists can learn from what they did
to make money
so that other scientists can see that they are working
47
Observation or an inference? The boy sitting on the field is holding his knee.
qualitative observation
quantitative observation
inference
