What is the independent variable?

temperature of water in each jar

What is the dependent variable

amount of sugar dissolved in each jar

The graphical representation could be written as

distance is directly proportional to time

What is the relationship being studied?

effect of higher temperature on amount of sugar dissolved

What variable needs to be kept constant during the study

amount of water placed in each jar

the relationship can be written as

pressure is inversely proportional to volume

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scientific method test prep

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basic quiz for scientific methods test review

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Questions 15

Answers

1
Write a math model for the given graph
P = k/V
V = k/P
V = kP2
P = kV2
2
The math model for the given data is...
d = t
d = (2 m/s)t
d = (0.5 m/s)t
d = (2 s/m)t
3
y vs 1/x?
B
A
D
C
4
In an effort to create a straight line graph from the data, you should
square root the volume values
invert the volume values
square the volume values
square the pressure values
5
y = kx
B
D
A
C
6
What is the independent variable?
amount of sugar dissolved in each jar
amount of water placed in each jar
number of jars used to hold water
temperature of water in each jar
7
What is the dependent variable
amount of water placed in each jar
temperature of water in each jar
number of jars used to hold water
amount of sugar dissolved in each jar
8
y is independent of x
C
B
A
D
9
The graphical representation could be written as
distance is proportional to the square of time
distance is inversely proportional to time
distance is proportional to time
distance is directly proportional to time
10
What is the relationship being studied?
The effect of stirring on the amount of sugardissolved.
The effect of amount of sugar on the sweetness
The effect of the amount of water on the temperature
effect of higher temperature on amount of sugar dissolved
11
To linearize the graph you should...
do nothing
invert the time values
square the distance values
square the time values
12
What variable needs to be kept constant during the study
amount of stirring
amount of water placed in each jar
amount of sugar dissolved in each jar
temperature of water in each jar
13
the relationship can be written as
pressure is proportional to square of volume
pressure is directly proportional to volume
pressure is inversely proportional to volume
pressure is proportional to square root of volume
14
y² vs x
B
C
D
A
15
y vs x²
E
D
C
B

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