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 the scientist changes on purpose?

• Dependent Variable

• Independent Variable

• Constant

• Control

The part of the experiment that does not contain the independent variable. 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

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-PS1-4

NGSS.MS-PS3-4

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

• 1
• 2
• 3
• 4

If you were testing how well different dish soaps cleaned grease, the independent variable would be the:

• dish type
• amount of grease
• dish soap type
• grease type

Dory set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?

• distance traveled by the ball
• height of the ramp
• mass of the ball
• ball type

Tags

NGSS.MS-PS2-2

What type of graph would you make if you were testing oven temperature on the color of cookie?

• Line
• Bar
• Both types are great
• You can't make a graph with data from this experiment

Tags

NGSS.MS-PS3-1

1. Place 20 spinach leaves into the container
2. Put the carbon dioxide sensor in and close       the container 
3. Turn on the light and wait 20 minutes 
4. Check the carbon dioxide levels 
5. Repeat experiment with different amounts of time under the light 
What is the DV?

• Amount of Light
• Amount of Spinach
• Distance from the light 
• Amount of Carbon Dioxide

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

NGSS.MS-LS2-3