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Molly harvests mushrooms in the forests of Oregon and then sells them to local restaurant chefs. The greater the weight of the mushrooms, the greater their value.

w = the weight of the mushrooms

v = the value of the mushrooms

• v is the independent variable and w is the dependent variable

• w is the independent variable and v is the dependent variable

A team from the Department of Public Works is painting lines of the freeway. The number of hours needed to finish the project depends on the length of road that needs to be lined.

h = the number of hours needed

r = the length of road

• h is the independent variable and r is the dependent variable

• r is the independent variable and h is the dependent variable

Zach and his friends are at an arcade and are redeeming their tickets for prizes. The number of prizes they can get is calculated based on how many tickets they have won.

p = the number of prizes the friends can get

t = the number of tickets the friends have won

• t is the independent variable and p is the dependent variable

• p is the independent variable and t is the dependent variable

Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the independent variable 

• Type of fertilizer
• Size of sunflower
• type of sun flower

Tags

CCSS.6.EE.C.9

Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the dependent variable 

• Type of fertilizer
• Size of sunflower
• Type of sunflower

Tags

CCSS.6.EE.C.9

The part of the experiment that remains the same for the control and experimental group.

• constants
• control
• independent
• dependent

This variable in an experiment is the one being deliberately changed by the scientist. 

• dependent variable
• independent variable
• data
• control group

Tags

CCSS.6.EE.A.2C

In a controlled experiment, how many variables can be worked with at a time? 

• one
• none
• two or more
• how ever many makes sense.

A possible explanation to a problem that has not yet been tested. 

• data
• theory
• hypothesis
• fact

This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted. 

• experimental group
• control group
• data
• variables