Physics and the Earth Safety and Variables Flashcard

Front

What should you do if you break glass during a lab?

Back

Inform the teacher or lab supervisor immediately.

Front

What should you do if you observe a circuit with a bare wire?

Back

Report it to the teacher.

Front

What is a good Constant Variable in an experiment testing if the size of a ball affects how far it can be thrown?

Back

All balls must weigh 2.2kg.

Front

What is the Independent Variable (IV) in an experiment determining if the speed of a racecar is impacted by the type of gasoline?

Back

Type of gasoline.

Front

What is the Dependent Variable (DV) in an experiment testing if study hours impact a student's grade?

Back

Their grade.

Front

Define Independent Variable (IV).

Back

The variable that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

Front

Define Dependent Variable (DV).

Back

The variable that is measured and affected in an experiment.

Front

What is the importance of reporting safety hazards in a lab?

Back

It ensures the safety of all individuals in the lab and prevents accidents.

Front

What is a control variable?

Back

A variable that is kept constant to ensure that the results are due to the independent variable.

Front

Why is it important to have a hypothesis in an experiment?

Back

A hypothesis provides a testable prediction that guides the research.