Physical vs. Chemical Changes

How is a chemical change different from a physical change?

• there is no difference

• a physical change creates a new substance

• a chemical change creates a new substance

Tags

NGSS.MS-PS1-5

A precipitate is a ___________ that forms when 2 liquids react together.

• solid

• liquid

• gas

• plasma

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is burning wood a chemical or physical change?

• chemical
• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is a a rusting bicycle a chemical or physical change?

• chemcial
• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is melting ice a chemical or physical change?

• chemical
• physical

Is spoiling food a physical or chemical change?

• phyiscal
• chemical

Tags

NGSS.MS-PS1-2

Salt dissolves in water

• physical Change
• chemical change

Which is a chemical change?

• freezing fruit juice
• slicing a potato
• boiling water
• copper metal turning green

Tags

NGSS.MS-PS1-2

Is this a physical or chemical change?

• Physical

• Chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following observations would indicate a chemical change has happened? Select ALL correct answers.

• a solid precipitate forms

• heat energy is released

• breaks into smaller pieces

• folded in half

• a gas is produced

Tags

NGSS.MS-PS1-2