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Experimental Design Quiz + Scientific Method and Graphing Flashcards | StudBud
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Experimental Design Quiz + Scientific Method and Graphing
Experimental Design Quiz + Scientific Method and Graphing
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1
Let's apply: Tom wants to know if fertilizer changes the size of plants. What is the independent variable?
amount of sunlight
amount of fertilizer
color of plant
size of plant
2
Review: Experiments can provide evidence about whether changing one variable causes a response
False
True
3
If I take my vitamins every day, then I will not feel tired. What is the independent variable?
Won't feel tired
taking vitamins at same time
not taking vitamins
taking vitamins everyday
4
Another review ?: In an experiment, scientists try to change (manipulate) as ___ variable as possible at a time.
many
few
5
What type of graph would be best to make for this data?
scatter plot
bar graph
line graph
pie graph
6
Tom wants to know how water effects plant growth. What is the independent variable?
amount of water
color of plant
growth of plant
amount of sunlight
7
Patients in the control group in this study received...
the new drug
the current drug
a placebo (fake) pill
8
What is the first step in the scientific method
form a hypothesis
ask a question
procedure
conclusion
9
After an experiment, scientists ANALYZE their data to form a conclusion.
What does analyze mean?
OK. That seems like a good next step.
10
Tom wants to know how sunlight effects plant growth. What is the independent variable?
growth of plant
amount of sunlight
color of plant
amount of water
11
These are variables that are KEPT CONSTANT during an experiment to increase its accuracy.
Manipulated
Independent
Dependent
Standardized/Controlled Variables or Constants
12
Paul is testing if getting more sleep improves his grades. What is a constant?
Paul's grades
the amount of sleep
Paul cannot do anything to improve his grades
How much exercise he gets
13
What is the variable that changes as a result of changes made to the independent variable?
independent variable
dependent variable
control group
control variable
14
D
R
Y
MIX: The dependent variable is found on the __ axis.
Y
X
15
If I eat more vegetables, then I will lose weight faster. What is the dependent variable?
will lose weight faster
weighing yourself
not eating vegetables
eating more vegetables
16
Let's review: In an experiment, scientists try to change (manipulate) as ___ variable as possible at a time.
many
few
17
The independent variable:
is what you measure
is what you change between groups
is kept the same
is what you compare results to
18
Connect: The variable that changes between the experimental & control group(s) is the...
controlled variable
independent variable
dependent variable
19
What is the purpose of a graph?
To visualize data
To waste time
To help you form a procedure
To prove you are right
20
Take a look. This picture shows a _____ graph.
line
bar
21
DRY M
IX
: The independent variable is found on the __ axis.
X
Y
22
Final review: Which variable is the dependent variable?
average # of tornadoes
month of the year
23
A baby stops crying every time he sees his favorite toy. What is the dependent variable?
the baby crying
the favorite toy
the baby's emotional attachment
the mom giving the baby his toy
24
Pat tests different brands of energy drinks on students' sleep. Name the dependent variable.
the amount of homework finished
the amount of sleep
the brand of energy drink
the amount of energy drink consumed
25
What type of graph would be best for this data?
pie graph
scatterplot
line graph
bar graph
26
Which of the following is a proper hypothesis?
If I add water, then my plant will grow higher
I think plants grow more with light
Plants don't grow
My group believes that sun affects plants
27
The other group receives nothing or the "standard" treatment. This is called the ....
experimental group
I don't know group
control group
placebo group
28
These are variables that are kept constant during an experiment to increase its accuracy.
independent
manipulated
dependent
Standardized/Controlled Variables or Constants
29
What is a control in an experiment?
what you graph
what you measure
what you compare results to
what you change between groups
30
Sarah tests the effect of yoga on flexibility. What is a variable she would control?
her other physical activities
what type of food she eats
her age
her flexibility
31
Let's start with some review: The process in which a researcher tests their hypothesis and collects data is called...
Research
Experiment
Hypothesis
Analysis
32
Take a look. Line graphs are good for showing...
change over time
categories
33
Kylie tests coconut oil on the silkiness of her hair. What is the dependent variable?
the price of the coconut oil
the strength of the hair
the amount of coconut oil
the silkiness of the hair
34
The dependent variable:
is something you change between groups
is something you keep the same
is what is measured
is what you compare results to
35
Which step doesn't belong in the scientific method? analyze data, falsify data, form conclusion
analyzing data
they all belong
falsifying data
forming a conclusion
36
The independent variable is put on the ____ axis on a graph:
b
x
y
z
37
What can be concluded from this graph ?
Steve sells mostly fish
Steve sells no pets
Steve sells mainly bugs
All the pet sales are equal
38
The dependent variable is the outcome that you measure in an experiment.
True
False
39
Scientists often use graphs to show the results of their analysis. Why do they communicate results this way?
Graphs can present a lot of data quickly and efficiently
Makes the information presented easier to read and more dynamic
We don't use graphs
I've never heard of graphs
40
What is the variable that the scientist will test in an experiment?
Control Variable
Hypothesis
Dependent Variable
Independent Variable
41
Tom wants to know how sunlight effects plant growth. What is a constant?
amount of sunlight
growth of plant
color of plant
amount of water
42
The dependent variable goes on the ____ axis:
z
y
a
x
43
The constant in an experiment is:
what you graph
what you keep the same
what you compare results to
what you change
