MSC Grid 1 Experimental Design

What is a factor that is being measured during an experiment?

• control

• constant

• independent variable

• dependent variable

What is the factor that an experimenter changes on purpose, to see if and how the dependent variable depends on it. It is the only thing that is different between the experimental setup and the control setup.

• Hypothesis

• Independent Variable

• Constant

• Control

What is the part of the experiment that you compare the experimental group to?

• Control Group

• Experimental setup

• Scientific Method

What is the affect of salt water on the 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

NGSS.MS-LS2-4

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.HS-PS1-5

Students wanted to see if the type of material affected the temperature after being placed under a heat lamp for 10 minutes.

What is the dependent variable for this investigation?

• Type of material (rocks, sand etc)

• Temperature after 10 minutes

• Time under the lamp

• Heat lamp, amount of material

Tags

NGSS.HS-PS3-4

You will want your experiment to have ____ independent variable(s) in it for the experiment to be valid.

• 1
• 2
• 3
• 4

A scientist hypothesizes that the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The independent variable is

• the male alligators
• the incubator
• the gender of the alligator
• the temperature

Tags

NGSS.HS-LS3-2

In this graph, what is the dependent variable? 

• Walla Walla Island
• Time
• Number of Deer

Tags

NGSS.HS-LS2-1

NGSS.HS-LS2-2

What type of variable must be kept the same for both experimental and control groups.

• Independent

• Dependent

• Control (Constant)

• Inference