Proficiency Exam 3 MIxed Review

Which is the ONE variable a scientist changes in an experiment?

• Independent variable

• Control Group

• Dependent Variable

• Controlled variable

Which of the following is not tested on during an experiment, but is used for comparison?

• controlled variables

• Control Group

• independent variable

• dependent variable

Tags

NGSS.MS-PS2-5

Which of the following is measured, or recorded as data in an experiment?

• independent variable

• control group

• controlled variables

• Dependent variable

Which of the following stays the same in an experiment, to allow for a fair test?

• control group

• controlled variable

• dependent variable

• independent variable

Tags

NGSS.MS-PS2-2

What is the independent variable in the investigation?

• the amount of water given each plant

• type of water

• type of flower

• the type of soil used

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What is the dependent variable in this investigation?

• the size of each hive

• the species of bee

• the amount of honey made by the bees

• the location of the hives

Name 2 variables that MIchael will need to keep constant in order to test his hypothesis.

• The paper the airplanes are made out of

• The shape of each plane

• The distance each plane travels

• the force of each throw of the paper plane

Tags

NGSS.MS-PS2-2

What is the dependent variable?

• #of crickets

• 160

• chirps per minute

• temperature in degrees Celsius

What is the independent variable?

• chirps per minute

• #of crickets

• 20

• temperature in degrees Celsius

humans choosing a desirable trait and breeding for it on purpose

• Natural Selection

• selective breeding

• GMO

• genetic engineering

Tags

NGSS.MS-LS4-5