Experimental Design

What is a factor that is measured for change in an experiment?

• control
• constant
• independent variable
• dependent variable

Tags

NGSS.MS-PS2-2

What is the factor that an experimenter changes on purpose?

• Dependent Variable
• Independent Variable
• Constant
• Control

What are all the things that are kept the same in an experiment?

• controls
• data
• constants
• independent variables

Tags

CCSS.HSS.IC.B.3

What is the effect of salt water on the average of the height of the 3 tallest blades of grass?
What is the independent variable in the above question?

• salt water
• height
• average
• effect

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What is an if....then statement that predicts the outcome of an experiment or how the Independent variable effects the dependent variable?

• Conclusion
• Materials
• Hypothesis
• Problem

A detailed list of all types and exact amounts of items used in an experiment.

• Procedure
• Hypothesis
• Materials
• Grocery List

If I water the plant more often, then it will grow taller.  Name the independent variable.

• The height of the plant
• The size of the pot
• The amount of water
• The amount of light.

Tags

NGSS.MS-LS1-5

If I water the plant more often, then it will grow taller. Which of these is not a constant?

• The amount of soil.

• The pot size.

• The type of plant.

• The amount of water.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

If I water the plant more often, then it will grow taller.  Name the dependent variable.

• The amount of water.
• The amount of soil.
• The height of the plant.
• The amount of water.

Tags

NGSS.MS-LS2-1

If I water the plant more often, then it will grow taller.  Name the independent variable.

• The height of the plant
• The size of the pot
• The amount of water
• The amount of light.