A1-2 Fair testing

What is fair test?

• When things are not the same

• When you are happy

• When everything is the same

Tags

NGSS.3-5-ETS1-3

The independent variable...

• is the thing we measure
• is the thing we draw
• is the thing we keep the same
• is the thing we change

The variable that we measure is called the...

• independent variable

• control variable

• dependent variable

• right variable

In a fair test you should...

• only change one variable (the independent variable)
• change all the variables 
• change no variables 

Tags

NGSS.MS-PS2-2

A fair test means our results are...

• valid
• repeatable 
• both

Ms. Sosa wants to test her pet snail's favorite food, Which one should she use for a fair test?

• 
• 

Amy wants to investigate which brand of batteries last longer. She want to use her MP3 player to test them.

Which of the following is the independent variable?

• Volume of the MP3 player

• Time of playing

• Brand of batteries

• Status of batteries (new/used)

• Size of batteries (AA, AAA, C, D...)

Amy wants to investigate which brand of batteries last longer. She want to use her MP3 player to test them.

Which of the following is the dependent variable?

• Volume of the MP3 player

• Time of playing

• Brand of batteries

• Status of batteries (new/used)

• Size of batteries (AA, AAA, C, D...)

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...

• The type of plant
• The amount of sunlight
• The type of music
• The type of liquid

Tags

NGSS.MS-LS1-5

If I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable?

• True
• How fast you get to school
• Riding a bike or walking
• False

Tags

NGSS.MS-PS3-1