4.1/5.1 Scientific Investigation

What is the definition of an independent variable?

• What the experimenter keeps the same in each test.

• The factor that the experimenter measures due to the changed variable.

• The factor that is changed by the experimenter on purpose.

What is the definition of a dependent variable?

• What the experimenter keeps the same in each test.

• The factor that the experimenter measures due to the changed variable.

• The factor that is changed by the experimenter on purpose.

What is the definition of a constant?

• What the experimenter keeps the same in each test.

• The factor that the experimenter measures due to the changed variable.

• The factor that is changed by the experimenter on purpose.

Select all the statements that describe QUANtitative data.

• The Elephant Rhino Beetle was 7 centimeters long.

• The plant grew 5 centimeters after 2 weeks.

• Plant A was wilted and had yellow leaves.

• The liquid in beaker A boiled faster than in beaker B.

Select all the statements that describe QUALitative data.

• The Elephant Rhino Beetle was 7 centimeters long.

• The plant grew 5 centimeters after 2 weeks.

• Plant A was wilted and had yellow leaves.

• The liquid in beaker A boiled faster than in beaker B.

A student was organizing data collected from a lab experiment on the effects of water amount on plant growth. Which measurement below would they make using the instrument pictured?

• 45 cm

• 45 grams

• 45 mL

• 45℃

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

A student was organizing data collected from a lab experiment on the effects of weather conditions on plant growth. Which measurement below would they make using the instrument pictured?

• 45 cm

• 45 grams

• 45 mL

• 45℃

Tags

NGSS.MS-ESS2-5

A student was organizing data collected from a lab experiment on the effects of weather conditions on plant growth. Which measurement below would they make using the instrument pictured?

• 45 cm

• 45 grams

• 45 mL

• 45℃

Tags

NGSS.MS-LS1-5

NGSS.MS-PS1-4

Students experimented to see if fertilizer affected a plant's growth. They recorded their setup and results in the data table. What was their independent variable in this experiment?

• amount of fertilizer

• amount of light

• amount of water

• plant height

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Students experimented to see if fertilizer affected a plant's growth. They recorded their setup and results in the data table. What was their dependent variable in this experiment?

• amount of fertilizer

• amount of light

• amount of water

• plant height

Tags

NGSS.MS-LS2-1