Experimental Design

Front

An observation that deals with measurements or numbers.

Back

quantitative observation

Front

This is a possible explanation that is clear and testable.

Back

Hypothesis

Front

Aspects of the experiment that are kept exactly the same throughout the experiment.

Back

Control group

Front

This is the variable that is manipulated or changed by the scientist.

Back

Independent Variable

Front

This is the factor in an experiment that is allowed to change on its own in response to the independent variable.

Back

Dependent Variable

Front

This is the group that is left alone and shows what would normally happen if no experiment was done at all.

Back

Control Group

Front

Identify the independent variable in an experiment where the mass of a ball affects the distance it rolls off a ramp. Options: distance traveled by the ball, height of the ramp, mass of the ball, weight of the ball

Back

mass of the ball

Front

What is a controlled variable (constant) in an experiment testing which brand of soda creates the biggest foam explosion when adding a Mentos candy?

Back

Number of mentos candies used

Front

Making a conclusion on the basis of facts and previous knowledge rather than direct observation.

Back

inferences

Front

This scientific variable is graphed on the x-axis.

Back

Independent