DIA Remediation- 2nd P

Front

What energy change occurs when a battery powers a flashlight?

Back

Chemical → Electrical

Front

What is the difference between a scientific theory and a scientific law?

Back

A theory explains why something happens, and a law describes what always happens.

Front

When rubbing your hands together, does energy disappear?

Back

No

Front

What are the variables that are kept the same in an experiment called?

Back

Controlled Variables

Front

What energy change occurs when a fan turns on when plugged into the wall?

Back

Electrical → Mechanical

Front

What is a scientific theory?

Back

A well-substantiated explanation of an aspect of the natural world that can incorporate laws, hypotheses, and facts.

Front

What is a scientific law?

Back

A statement based on repeated experimental observations that describes some aspects of the universe.

Front

What is the purpose of controlled variables in an experiment?

Back

To ensure that the results are due to the independent variable and not other factors.

Front

What is an independent variable?

Back

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

Front

What is a dependent variable?

Back

The variable that is measured and affected in an experiment.