fair test

How many variables are changed in these 2 set-up

• 2

• 4

• 1

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Which is the changed variable in the fair test?

• number of seedlings            

• type of soil        

• size of pot

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Daniel wants to find out if seeds need warmth to germinate. Look at his set-ups after a few days. What is the changed variable here?

• presence of water              

•  temperature                   

• number of seed

Tags

NGSS.MS-LS1-5

What is a fair test?

• It is any experiment         

• It is an experiment with one variable

• It is an experiment without any variable

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 variable is ___________

• amount of sunlight               

• type  of plant                   

• type of liquid         

Tags

NGSS.MS-LS2-1