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WorksheetsSecond Form Quiz - Variables and Graphs
Total questions: 20
Worksheet time: 43mins
Lauren wants to know which location in her apartment is best for growing African violets. She has three African violets. She puts one on the balcony, one by the kitchen window, and one on the mantel in the living room. Each plant has the same size pot and she gives each plant the same amount of water. Which is the independent variable?
Location of plant
How plants grow
The independent variable changes the dependent variable.
True
False
Does heating a cup of water allow it to dissolve more sugar? Which is the dependent variable?
water temperature
amount of dissolve sugar
The changes that occur in an experiment that are directly caused by the experimenter (you) are called ______________
Independent Variable
Dependent Variable
Controlled Variable
This variable must be measurable.
Independent Variable
Dependent Variable
Controlled Variable
The independent variable is the ONE thing you _________ to test your hypothesis.
change
experiment with
keep the same
investigate
The variable that is measured throughout the experiment is the _____________.
controlled variable
dependent variable
independent variable
Catherine is testing which soil will help grass grow the tallest.
constant (stays the same)
independent (it is what you change)
dependent (is what you measure)
What would be the independent variable in an experiment testing which paper airplane goes furthest?
The paper used
The paper airplane design
The distance of each plane the flight
How hard the plane is thrown
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid: water, apple juice or milk. In this investigation the independent variable is?
the type of plant
the type of music
the amount of sunlight
the type of liquid
Daniel was investigating how fast it took mice to react to different sounds. Identify the independent variable.
how fast mice reacted
types of music
different sounds
daniel
Student took a test after they have studied either in silence or with the television turned on. What is the dependent variable?
silence
score on test
television turned on
subject
A line graph is used to show how the quantity or amount of something changes overtime.
True
False
On a line graph independent variables go on
y-axis
x-axis
On a line graph dependent variables go on
y-axis
x-axis
A line graph must have a title.
True
False
A simple line graph shows the relationship between all three types of variables we discussed.
True
False
A line graph must have ________ axis.
2
4
3
1
When experimenting with plants to see if they grow better with or without fertilizer, a scientist uses six bean plants and one type of fertilizer. What type of variable is the fertilizer?
dependent
control
independent
What is the independent variable in the following question: "How does phone use before bed time affect sleep?"
The amount of phone use before bed
The quality of sleep
