Physical and Chemical Changes

What is NOT an example of a physical property?

• Flammability
• Color
• Texture
• Boiling point

Which is NOT an example of a physical change?

• Souring of milk
• Chopping wood
• Molding (Shaping) clay
• Bending copper wire

Tags

NGSS.MS-PS1-2

What is NOT a physical change?

• burning cheese
• vaporizing cheese
• melting cheese
• freezing cheese

Tags

NGSS.MS-PS1-2

What is NOT a physical change?

• Burning a candle
• Bending a paper clip
• Chopping onions
• Ice cubes melting

Tags

NGSS.MS-PS1-2

A student boils water in a pot with a lid. He notices that steam is generated and water droplets form on the inside of the lid. What type of change was this?

• Chemical Change: a new substance is formed.
• Physical Change: a new substance is formed.
• Chemical Change:  the substance remains the same.
• Physical Change: the substance remains the same.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Which process is a physical change?

• Melting ice
• Tarnishing silver
• Burning coal
• Rusting iron

Tags

NGSS.MS-PS1-4

An example of a physical change is ___.

• burning coal
• digesting food
• tearing paper
• respiration

Which of these is NOT a physical change?

• iron rusting
• boiling water
• dissolving salt in water
• sawing wood

Tags

NGSS.MS-PS1-2

Which of the following is a physical change?

• shredding paper
• wood burning
• iron rusting
• antacid tablets dropped in water

A student steps on and crushes an aluminum soda can with his foot. What has happened to the chemical composition of the can?

• It has not changed
• It has changed
• It is more reactive
• It has become unbalanced

Tags

NGSS.MS-PS1-2