Physical Science Honors | Study Guide

In the experiment above, what is the control variable?

• students' pulse rate

• amount of time each type of music was played

• type of music

• Mr. Smith

In the experiment above, what is the independent variable?

• types of music

• R & B

• pulse rate

• Mr. Smith

In the experiment above, what is an improvement that you would suggest?

• multiple trials

• test more music choices

• test more students

• all of the above

In the experiment above, what is the dependent variable?

• types of music

• R & B

• pulse rate

• Mr. Smith

In the experiment above, was Mr. Smith right?

• yes

• no

Tags

NGSS.MS-LS2-1

If you want to construct an experiment to determine if string length affects the period of the pendulum, what must be held constant in your experiment?

• string length

• period of the pendulum

• mass of the bob

Which variable does not change throughout the experiment?

• independent

• dependent

• control

• invariable

How many control variables does a good experiment have?

• one

• two

• as many as possible

In the experiment above, did the number of loops of wire affect how many paper clips could be lifted?

• Yes

• No

• Not enough data

Tags

NGSS.MS-PS2-2

In the experiment above, what is the independent variable?

• Mass of the mail

• Number of the loops of wire

• The type of battery used

• The number of paper clips lifted