Variables Quizizz

Variables Quizizz

by Kimberly Hageman

WHAT ARE VARIABLES?

​Independent Variable: The one thing that an experimenter changes in an experiment. (aka manipulated variable)

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​Dependent Variable: The thing changes because someone changed the IV.  

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​Controlled Variable: The things that stay the same throughout the experiment.  

Multiple Choice

Plant growth m ay be affected by the color of light. 

What is the independent variable?  

• Color of Light 

• Plant Growth

• Type of Soil 

• Plant Growth AND Color of LIght

Multiple Choice

An oncologist (cancer doctor wonders if ultraviolet light exposure may cause cancer.

What is the dependent variable?

• Getting or not getting cancer

• all doctors

• Type of light

• the cancer doctor

Multiple Choice

Does a higher oven temperature affect the color of a cake? What is the independent variable?

• oven temperature

• the oven

• the time it takes the cake to bake

• the color of the cake

Multiple Choice

A study was done to find if different motor oil brands affect how smoothly a car runs. What is the dependent variable?

• the car

• the tires

• motor oil brands

• how smoothly the car runs

Multiple Choice

Decreasing hours of sunlight may cause leaves to change color in the fall;.  What is the independent variable? 

• The treee 

• Leaves changing color 

• Autumn (fall) 

• Hours of sunlight 

Multiple Choice

A dog owner wants to know if different brands of dog food will affect how fast his dog can run. What is the independent variable?

• the different brands of dog food

• the dog

• the dog's speed

Multiple Choice

Which image below shows the correct way to set up a graph?

Multiple Choice

Amount of sleep a student gets may have a direct affect on grades.

What is the dependent variable?

• A students effort

• Higher Grades

• Amount of Sleep

• Pillow softness

Multiple Choice

Can reading small print cause a headache?  

What is the independent variable? 

• Print size

• Having a headache or not 

• Same book choice 

• Enjoying reading  

Multiple Choice

A teacher wonders...Does eating an apple a day really keep the doctor away?

What should ONE control of this experiment be?

• use different types of apples

• use all red apples

• different teachers should eat an apple each day

• use the same type of apple each day

Multiple Choice

Does consuming too much salt lead to high blood pressure? 

What is the dependent variable?  

• amount of salt  

• salt free diet 

• blood pressure level 

• going to see the doctor 

Multiple Choice

Will a mushroom grow if moisture is increased?  

What is one control that should be taken? 

• Same type of mushroom 

• Same type of soil

• Same temperature 

• ALL OF THESE SHOULD BE CONTROLS 

• NONE OF THESE ARE APPROPRIATE CONTROLS

Multiple Choice

Will apples be sweeter is a tree gets plenty of water?  

What is the dependent variable? 

• amount of water 

• type of apple 

• sweetness of apple 

• time of year 

Multiple Choice

Students will behave when given candy. What is the independent variable?

• The teacher

• The candy

• the behavior

• the classroom & grade

Multiple Choice

Different gasoline brands were tested to determine how much pollution cars would emit for each type of gas. What is the dependent variable?

• the amount of pollution

• the car

• the different gasoline brands

• the gas stations