Physical and Chemical Changes

Exploding Fireworks?

• Physical Change 
• Chemical Change 

Tags

NGSS.MS-PS1-2

Freezing Juice?

• Physical Change
• Chemical Change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Rotting bananas?

• Physical Change
• Chemical Change

Tags

NGSS.MS-PS1-2

Cutting your hair?

• Physical Change
• Chemical Change

Is squeezing oranges to make orange juice a physical or chemical change?

• physical
• chemical

Which answer makes a correct statement?

• Physical change only changes the size.
• Physical change only changes the color.
• Physical changes begin and end with the same matter.
• Physical changes change the matter into something total different.

Tags

NGSS.5-PS1-4

A teacher is demonstrating physical and chemical changes to her class. Which action should she use to demonstrate a chemical change?

• cutting a piece of paper
• folding a piece of paper
• tearing a piece of paper
• burning a piece of paper

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A chemical change may involve

• Evolution of gas

• Change in temperature

• Change in colour

• All of the above

Tags

NGSS.MS-PS1-2

When a candle burns, both physical and chemical changes occurs.

• True

• False

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

Is melting butter for popcorn a chemical or physical change?

• chemical

• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4