Experimental Design Review - TT

What is a factor that is measured in an experiment?

• control

• constant

• independent variable

• dependent variable

What is the factor that an experimenter changes on purpose?

• Dependent Variable
• Independent Variable
• Constant
• Control

Tags

NGSS.MS-PS2-2

The part of the experiment that does not contain the independent variable being tested. Used for comparison.

• Control Group

• Experimental Group

• Results

• Data

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

• controls
• data
• constants
• independent variables

What is the effect of saltwater on the height of blades of grass?

What is the independent variable in the above question?

• salt water

• height

• average

• affect

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What is the effect of saltwater on the height of blades of grass?

What is the dependent variable in the above question?

• saltwater

• height

• average

• affect

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

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

Tags

NGSS.MS-LS1-5

What are the number of times each level of the independent variable is tested?

• constants

• control

• trials

• dependent variable

Students used various temperatures of water to see which one dissolved candy faster. 
What was the Independent Variable?

• Amount of Candy
• Amount of Water
• Temperature of Water
• Time for Candy to Dissolve

Tags

NGSS.MS-PS3-4

If plants receive more water, the number of leaves will increase. 
This is an example of 

• Testable Question
• Hypothesis
• Variables
• None of the above

Tags

NGSS.MS-LS1-5