Independent and Dependent Variables III

Front

What is an independent variable?

Back

An independent variable is the variable that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

Front

What is a dependent variable?

Back

A dependent variable is the variable that is measured and affected in an experiment, depending on the independent variable.

Front

In the statement 'Alyssa gets one sticker for every paper she completes', identify the independent variable.

Back

p = papers completed.

Front

In the statement 'Tyler earned $8 for every pizza he delivers', identify the dependent variable.

Back

m = money.

Front

What does it mean when we say 'the number of photos added affects the thickness of the scrapbook'?

Back

It means that the thickness of the scrapbook (dependent variable) changes based on how many photos are added (independent variable).

Front

In the context of an experiment, what is the relationship between independent and dependent variables?

Back

The independent variable is manipulated to observe how it affects the dependent variable.

Front

Identify the independent variable in the scenario: 'The chores done by Kevin determine how much money his mother gives him.'

Back

How many chores he does.

Front

Identify the dependent variable in the scenario: 'The number of treats Lynn brings is based on the number of students in her class.'

Back

Number of treats.

Front

What is the formula to express the relationship between independent and dependent variables in a mathematical context?

Back

y = mx + b, where y is the dependent variable, x is the independent variable, m is the slope, and b is the y-intercept.

Front

In a graph, which axis typically represents the independent variable?

Back

The x-axis.