Worksheets2.2 Scientific Investigations Quiz
Total questions: 12
Worksheet time: 7mins
The students in Mr. Arnold's class were conducting an investigation to answer the following question: How does flavored water affect the growth of a daisy? Which item in the list below represents the independent variable (the thing that is being changed in the investigation)?
In the investigation pictured, one plant is receiving fertilizer while the second plant is not. The independent variable is the fertilizer. What is the dependent variable? (variable that changes because of the independent variable).
In the investigation pictured , all of the answers represent a control variable (things that don't change in the investigation) EXCEPT . . .
In a scientific investigation, which of the following is considered a dependent variable?
The amount of sunlight
The growth rate of a plant
The type of soil used
The type of fertilizer
Which of the following best describes a hypothesis?
A detailed analysis of data
An educated guess based on observations
A summary of the experiment
A random guess
Which of the following is an example of a control variable in an experiment?
The temperature of the room
The type of plant used
The amount of water given
The growth rate of the plant
What is the primary purpose of a control group in a scientific experiment?
To change the outcome of the experiment
To serve as a standard for comparison
To introduce new variables
To ensure the experiment is biased
In a scientific experiment, what is the role of the independent variable?
It is the variable that is measured
It is the variable that is kept constant
It is the variable that is changed or controlled
It is the variable that is used for comparison
Does the amount of salt in the water affect how fast it boils?
independent variable
amount of salt
dependent variable
how fast it boils
control
amount of water
Does the color of the birdseed affect how much the birds will eat?
independent variable
color of birdseed
dependent variable
how much birds will eat
control
location of birdseed
