Chemistry- Nature of Science

What is chemistry the study of?

• Energy

• Matter

• Light

• Sound

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is NOT a focus of chemists' study?

• Composition of matter

• Structure of matter

• Properties of matter

• Movement of planets

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

NGSS.HS-PS1-3

NGSS.HS-PS1-4

NGSS.HS-PS1-5

What type of changes do chemists study in matter?

• Biological and chemical

• Chemical and physical

• Physical and biological

• Electrical and magnetic

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

What is the scientific process described as?

• Random

• Systematic

• Chaotic

• Unpredictable

What is a hypothesis?

• A proven fact

• A testable prediction

• A random guess

• An unchangeable theory

Tags

NGSS.HS-PS1-3

What is the role of peer review in science?

• To hide errors

• To share conclusions with the community

• To make experiments secret

• To avoid criticism

In a controlled experiment, how many variables are changed at a time?

• None

• One

• Two

• Three

Tags

NGSS.HS-LS1-3

What is the independent variable in an experiment?

• The result of the change

• The change itself

• The constant factor

• The unmeasured factor

Tags

NGSS.HS-PS1-3

What should all other factors do in a controlled experiment?

• Change randomly

• Remain the same

• Vary slightly

• Be ignored

Tags

NGSS.HS-PS1-3

What are controlled variables?

• Variables that are changed

• Variables that remain the same

• Variables that are ignored

• Variables that are unknown