Part 2: Final Exam Review Fall 2024 8th Grade Science

Front

When is it OK to eat or drink in the lab?

Back

Never.

Front

What happens to the magnetic field lines if you reverse the electrical current?

Back

The direction of the magnetic field lines will reverse.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Front

What type of light can we see?

Back

Visible light.

Front

Should I perform only those activities that have been assigned by the instructor?

Back

True.

Front

Is running in the lab acceptable if you are not using chemicals?

Back

False, it is not ok at ANY time.

Front

What is the scientific method?

Back

A systematic process for experimentation that is used to explore observations and answer questions.

Tags

NGSS.MS-LS1-5

NGSS.MS-PS1-2

Front

What is a hypothesis?

Back

A testable prediction about the outcome of an experiment.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Front

What is the role of a control in an experiment?

Back

A control is a standard for comparison that helps to isolate the effects of the independent variable.

Tags

NGSS.MS-PS1-2

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.

Tags

NGSS.MS-PS2-2