U.1 L.2 Quiz

During a scientific investigation, which step will a scientist likely perform first?

• Collect and organize data.

• Plan the experimental procedure.

• Define the problem for investigation.

• Defend conclusions drawn from data.

Which scientific investigation does not include dependent and independent variables?

• observing and counting bird populations

• studying the effect of temperature on bacterial reproduction rates

• investigating the effect of mass on the speed at which an object falls

• testing a model car’s air flow resistance at different wind speeds in a wind tunnel

_______________is the process of obtaining information by using the senses.

• Observation

• Data

• Variable

• Hypothesis

__________ is an organized procedure to study something under controlled conditions.

• Variable

• Experiment

• Hypothesis

• Data

____________________ or test variable, is the factor that is deliberately manipulated in an investigation.

• Dependent Variable

• Experiment

• Hypothesis

• Independent Variable

Scientific Investigations can be conducted in a _______________or in the ________________

• Sky, Roof

• Field , Laboratory

• Sky, Laboratory

• Field, Sky

___________________ or outcome variable, is the factor that changes as a result of manipulation of one or more independent variables.​

• Dependent Variable

• Hypothesis

• Experiment

• Independent Variable

____________________ are information gathered by observation or experimentation that can be used in calculating or reasoning

• Variable

• Hypothesis

• Data

• Experiment

_________________ is a testable idea or explanation that leads to scientific investigation.

• Hypothesis

• Experiment

• Data

• Variable

If your classmate repeats an experiment that you have already conducted, that is an example of ____________________________.

• Replication

• Repetition

• Experiment

• Variable