Experimental Design Knowledge Check

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

• Independent
• Dependent
• Control

Tags

NGSS.HS-PS1-5

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

• Independent
• Dependent
• Control

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

• Constants
• independent
• Dependent

When you make a prediction based upon your observations, it is called a/an _____________.

• Inference
• Observation
• Control group
• Guess

Another name for an educated guess?

• Hypothesis

• Good guess

• Scientific method

• Scientific notation.

Tags

NGSS.MS-LS1-5

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 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 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

A summary of the experiment that includes whether hypothesis was supported or not supported by the data.

• Hypothesis

• Results

• Conclusion

• Independent Variable