Experimental Design

Jeff is 6 feet 2 inches is a ___________ assesment

• Qualitative
• Quantitative

The type of variable that responds to the experiment and is what you measure to determine if your hypothesis is true.

• Independent
• Dependent
• Control

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

NGSS.MS-LS2-1

NGSS.MS-LS2-4

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-LS1-5

NGSS.MS-LS2-1

Which of these would be the proper way to write a hypothesis

• I think the water will make the plant grow.

• Watering plants will make them grow better.

• If I add more water, then the plant will grow taller.

• Maybe water will make a plant grow taller.

The type of variable that responds to the experiment and is what you measure to determine if your hypothesis is true.

• Independent

• Dependent

• Control

• Constant

The purpose of the control group is:

• Used for comparisons
• Application of the I.V.
• Application both the I.V. and D.V.
• Application of all constants.

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-LS1-5

NGSS.MS-LS2-1

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

Three baseball players investigate to see who can throw a baseball the farthest. They mark off an area on the playground for their investigation. Which should they keep constant?

• height of the players
• color of the balls thrown
• order in which the players throw
• spot from which the players throw

Tags

NGSS.MS-PS2-2