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WorksheetsVarone's Variables
Total questions: 13
Worksheet time: 13mins
You think that a certain part of your brain is important in memory. To test this, you will remove this part of the brain from rats and see if they remember how to get through the maze. What is the independent variable in this experiment?
Remembering how to get through the maze
Removing a certain part of the brain
None of the above
You want to measure the effect of different amounts of oxygen on the rate of yeast growth. What is the dependent variable?
Rate of yeast growth
Amount of oxygen
None of the above
An entomologist (bug scientist) wants to determine if temperature changes how many times a cricket chirps. What is the dependent variable?
a. Temperature
Number of times a cricket chirps
None of the above
An entomologist (bug scientist) wants to determine if temperature changes how many times a cricket chirps. What is the independent variable?
Temperature
Number of times a cricket chirps
None of the above
A florist wants to see if Product X will extend the life of cut flowers so that they last longer. What is the independent variable?
The life of the flower
Adding Product X
None of the above
You want to test a new drug that supposedly prevents sneezing in people allergic to grass. What is the dependent variable?
sneezing
grass
drug
None of the above
You want to see if playing music makes plants grow taller. What is the dependent variable in this experiment?
Height of plant
Music being played
None of the above
You want to see if playing music makes plants grow taller. What is the independent variable in this experiment?
Height of plant
Music being played
Both actually it depends how you look at it
None of the above
The independent variable is the one you
watch
change
The dependent variable is the one you
watch
change
You can prove that a hypothesis is correct or incorrect.
true
false
What is the Control group used for?
comparison
observation
experimentation
Bart believes that mice exposed to microwaves will become extra strong. He decides to perform this experiment by placing 10 mice in a microwave for 10 seconds. He compared these 10 mice to another 10 mice that had not been exposed. His test consisted of a heavy block of wood that blocked the mouse food. He found that 8 out of 10 of the microwaved mice were able to push the block away. 7 out of 10 of the non-microwaved mice were able to do the same. What is the independent variable?
exposure to x-ray radiation
the strength of the mice
the weight of the blocks
if the mouse is able to remember where the food is
