Variables & Vocab Practice
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Hard
+11
Standards-aligned
Liz Campbell
FREE Resource
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28 questions
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1.
MATCH QUESTION
1 min • 1 pt
You want to measure the effect of different amounts of oxygen on the rate of yeast growth. Match the variables.
Dependent Variable
rate of yeast growth
Independent Variable
amount of oxygen
Constant
amount of yeast
Tags
NGSS.MS-LS1-5
NGSS.MS-LS2-1
2.
MATCH QUESTION
1 min • 1 pt
A soap manufacturer wants to prove that their detergent works better to remove tough stains. Match the variables.
Constant
removal of stains
Independent Variable
detergent
Dependent Variable
washing machine
Tags
NGSS.MS-ETS1-3
NGSS.MS-ETS1-4
3.
MATCH QUESTION
1 min • 1 pt
You want to test a new drug that supposedly prevents sneezing in people allergic to grass. Match the variables.
Dependent Variable
drug
Independent Variable
grass
Constant
sneezing
4.
MATCH QUESTION
1 min • 1 pt
You want to see if playing music makes plants grow taller. What is the independent variable in this experiment?
Constant
height of plant
Dependent Variable
music being played
Independent Variable
Amount of Water
5.
MATCH QUESTION
1 min • 1 pt
An entomologist (bug scientist) wants to determine if temperature changes how many times a cricket chirps. What is the dependent variable?
Constant
number of times a cricket chirps
Independent Variable
temperature
Dependent Variable
time of year
6.
MATCH QUESTION
1 min • 1 pt
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?
Independent Variable
adding Product X
Constant
the type of flower used
Dependent Variable
the life of cut flowers
7.
MATCH QUESTION
1 min • 1 pt
How does the temperature a cake is baked at affect the time it takes to finish baking? Match the variables.
Dependent Variable
oven temperature setting
Controlled Variable
type of cake
Independent Variable
time taken for baking
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