Describing Matter

Which of the following is an example of a physical change?

• Exploding fireworks

• Freezing water

• Rusting iron

• Burning paper

What happens to the identity of a substance during a physical change?

• It becomes a liquid

• It changes into a new substance

• It remains the same

• It becomes a gas

Which of the following is a chemical property?

• Flammability

• Density

• Color

• Boiling point

What does the law of conservation of mass state?

• Mass is gained during a chemical change

• Mass is lost during a chemical change

• Mass remains the same before and after a chemical change

• Mass can be created during a chemical change

Tags

NGSS.MS-PS1-5

Which property involves the ability to rust?

• Physical property

• Chemical property

• Boiling point

• Density

What happens to water when it freezes?

• It becomes a solid but remains water

• It becomes a gas

• Its composition changes

• It becomes a new substance

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the term for the substances present at the beginning of a chemical change?

• Products

• Compounds

• Reactants

• Elements

Tags

NGSS.MS-PS1-1

Anything that has mass and takes up space

• weight

• mass

• volume

• desnity

The study of matter and how matter changes

• chemistry

• physics

• science

• physical science

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

A characteristic of a substance that can observed without changing it another another substance

• chemical property

• pure substance

• mixture

• phsyical property