Experimental Design Knowledge Check

Front

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

Back

Independent

Front

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

Back

Dependent

Front

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

Back

Constants

Front

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

Back

Inference

Front

Another name for an educated guess?

Back

Hypothesis

Front

What is the proper way to write a hypothesis? Options: 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.

Back

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

Front

What is the purpose of the control group?

Back

Used for comparisons

Front

Independent variable when testing how well different dish soaps clean grease: dish type, amount of grease, dish soap type, grease type

Back

dish soap type

Front

What is the dependent variable in an experiment where the mass of a ball affects the distance it rolls off a ramp?

Back

distance traveled by the ball

Front

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

Back

Conclusion