Graphing and Variables Quiz

Why do we graph our data?

• To make our experiment look more professional

• To make our data easier to understand

• To show off our artistic skills

• To confuse people

What is the purpose of a graph?

• To display data in a visual format

• To complicate our experiment further

• To hide our data

• To waste time

What information can you obtain from the chart?

• It's hot in summer, so they sell a lot of ice cream

• They don't sell as much ice cream during the week

• Saturday and Sunday are the days when the most ice cream is sold

• Friday is the best day to sell ice cream.

What is an independent variable?

• A variable that changes in response to the dependent variable

• A variable that is kept constant in an experiment

• A variable that is changed by the experimenter

• A variable that is measured or observed

What is a dependent variable?

• A variable that changes in response to the independent variable

• A variable that remains constant in an experiment

• A variable that is changed by the experimenter

• A variable that is measured or observed

Why is it important to identify independent and dependent variables in an experiment?

• To confuse the reader

• To make the experiment more complicated

• To understand the cause and effect relationship

• To waste time

Which of the following is an example of an independent variable?

• The color of a flower

• The height of a tree

• The temperature of the water

• The time it takes to run a mile

Which of the following is an example of a dependent variable?

• The type of soil in a garden

• The amount of fertilizer used

• The number of seeds planted

• The growth of a plant

What are the controlled variables?

• Variables that are changed by the experimenter

• Variables that are measured or observed

• Variables that are kept constant in an experiment

• Variables that are not important

Why is it important to control other variables in an experiment?

• To make the experiment more complicated

• To confuse the reader

• To ensure a fair test

• To waste time