Physical Science Final Exam Review

1. pattern of investigation procedures that can include stating a problem, forming a hypothesis, researching and gathering information, testing a hypothesis, analyzing data, and drawing conclusions.

• scientific method

• hypothesis

• control

• constant

statement about what happens in nature that seems to be true all the time; does not explain why or how something happens.

• scientific method

• scientific law

• control

• constant

1. possible explanation for a problem using what is known and what is observed.

• scientific method

• hypothesis

• constrant

• control

standard for comparison of test results in an experiment.

• constant

• control

• independent variable

• dependent variable

1. factor that does not vary in the experiment, a variable that does not change.

• constant

• control

• independent variable

• dependent variable

1. quantity that can have more than a single value, can cause a change in the results of an experiment. 

• variable

• independent variable

• dependent variable

• control

1. factor that, as it changes, affects the measure of another variable. 

• variable

• independent variable

• dependent variable

• control

1. the distance an object travels per unit of time.

• speed

• average speed

• acceleration

• velocity

1. total distance traveled divided by total time traveled.

• speed

• average speed

• acceleration

• velocity

1. the speed at any given point

• instantaneous speed

• average speed

• acceleration

• velocity