Even More Variables Practice 2020

Does an electric motor turn faster if you increase the voltage? Identify the independent variable.

• the speed of the motor

• type of motor used

• amount of electricity

• amount of voltage

Does an electric motor turn faster if you increase the voltage? Identify the dependent variable.

• amount of wind produced

• speed of motor

• amount of voltage

• type of motor used

Does an electric motor turn faster if you increase the voltage? Identify a controlled variable.

• type of motor used

• speed of motor

• amount of voltage

• speed of wind produced

Does heating a cup of water allow it to dissolve more sugar? Identify the independent variable.

• amount of water used

• method of heating

• amount of sugar

• temperature of water

Tags

NGSS.MS-PS3-4

Does heating a cup of water allow it to dissolve more sugar? Identify the dependent variable.

• temperature of water in the cup

• amount of water in the cup

• amount of sugar dissolved

• type of cup used

In an investigation the variable that is changed on purpose is the:

• dependent variable

• independent variable

• controlled variable

• correct answer not provided

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-5

In an investigation the variable that is measured is the:

• independent variable

• controlled variable

• dependent variable

• correct answer not provided

Tags

NGSS.MS-PS2-2

In an investigation the parts of the experiment that are kept the same so as to have a valid experiment are called:

• independent variables

• dependent variables

• controlled variables

• correct answer not provided

The time it takes a person to run a mile depends on the person's speed. Identify the independent variable.

• the speed of the person

• the location of the experiment/investigation

• the timer/stopwatch used

• the time it takes to run the mile

The time it takes a person to run a mile depends on the person's speed. Identify the dependent variable.

• the speed of the person

• the location of the experiment

• the timer/stopwatch used

• the time it takes to run the mile

Tags

NGSS.MS-PS2-2