WorksheetsScientific Variables Review
Total questions: 10
Worksheet time: 12mins
Mr. J wants to see if changing the time his students spend studying affects their test scores. He gives all of his classes the same test, but has them study for different amounts of time.
What is the DEPENDENT VARIABLE?
Time spent studying
Student test scores
The same test
Mr. J wants to see if changing the time his students spend studying affects their test scores. He gives all of his classes the same test, but has them study for different amounts of time.
What is the CONSTANT?
Time spent studying
Student test scores
Using the same test
Zack wants to determine if changing the amount of time he spends at football practice has an effect on his performance on the field.
What is the DEPENDENT VARIABLE?
the type of field he plays on
the type of football cleats
time spent at football practice
performance on the field
The things that are kept the same during an experiment to ensure that the results are accurate are known as __________.
control variables
constants
independent variables
dependent variables
True or False: Your hypothesis can never be wrong.
True
False
"If plants are exposed to sunlight, then they will grow taller because they use the sunlight for photosynthesis."
What part of the scientific method is this an example of?
Procedure
Hypothesis
Question
Results
An experiment for a new asthma medication was set up into two groups. Group 1 was actually given the new drug for asthma, while Group 2 was given a sugar pill. At the end of the experiment, there were a few people in Group 2 who said their asthma was cured.
The sugar pill was a __________.
hypothesis
dependent variable
placebo
constant
The variable that is tested or changed on purpose in an experiment is the __________.
independent variable
dependent variable
constant
control
Angel wants to know if changing to a different type of soap has an effect on how clean her clothes get.
What is the INDEPENDENT VARIABLE?
type of soap
how long the laundry takes
amount of soap
how clean the clothes are
What is the DEPENDENT VARIABLE in this hypothesis?
"I think that changing to the FlowGrow brand fertilizer will result in more leaves growing on the plant, because it is packed with nutrients"
the type of fertilizer
the number of leaves on the plant
the amount of water
the size of the pot/container
