Section 3: Describing Matter

What is a physical property?

• A property that involves the substance's ability to rust

• A property that can change something into a new kind of matter

• A property that can be observed without changing the matter’s makeup or identity

• A property that involves combustibility

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 is an example of a chemical change?

• Exploding fireworks

• Tearing paper

• Boiling water

• Melting ice

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

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 of the following is NOT a physical property?

• Color

• Density

• Hardness

• Acidity

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

• Products

• Compounds

• Reactants

• Elements

Which property involves the ability to rust?

• Physical property

• Chemical property

• Boiling point

• Density

Tags

NGSS.MS-PS1-2

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