Introduction to Experimental Design Practice Quiz

The type of variable that you change in an experiment. It is what you are testing.

• Manipulated

• Responding

• Control

The type of variable that changes in an experiment because of the manipulated variable. It is what you measure to determine if your hypothesis is true.

• Manipulated Variable

• Responding Variable

• Control

The parts of the experiment that must be kept the same.

• Constants
• independent
• Dependent

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

• The height of the plant

• The size of the pot

• The amount of water

• The amount of light.

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

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 more water is added to plants, then the plants will grow taller.

• If you water plants more, then your plants will be taller.

Another name for an educated guess?

• Hypothesis

• Good guess

• Scientific method

• Scientific notation.

What is the responding variable in the following experiment: Does the amount of coffee students drink increase their test scores?

• Same test

• Amount of coffee

• Test scores

• Test scores without drinking coffee

What is the manipulated variable in the following experiment: Does the amount of coffee students drink increase their test scores?

• Same test

• Amount of coffee

• Test scores

• Test scores without drinking coffee

What is the control group in the following experiment: Does the amount of coffee students drink increase their test scores?

• Same test

• Amount of coffee

• Test scores

• Test scores without drinking coffee