physical and chemical changes

What is the definition of Physical Change?

• It makes a new kind of matter.

• is a change in energy.

• It does not make a new kind of matter.

• It is only caused by changes in temperature.

What is the chemical change definition?

• It is only caused by changes in temperature .

• It makes a new kind of matter.

• It does not make a new kind of matter.

• It creates a new form of energy.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following tells you that a chemical change may have occurred?

• Change Shape

• Melting

• Freezing

• Change in color

Tags

NGSS.MS-PS1-2

What happens in ALL chemical changes?

• Change in state of matter

• A new substance is formed

• Bubbles are produced

• Burning and Rusting

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is wood burning a physical or chemical change?

• Physical 
• Chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

Is sharpening a pencil a physical or chemical change?

• Physical 
• Chemical

Is copper tarnishing a physical or chemical change?

• Physical 
• Chemical

Tags

NGSS.MS-PS1-2

Is melting butter for popcorn a chemical or physical change?

• chemical
• physical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A solid piece of chocolate is melted and changed to liquid form. Which property of the piece of chocolate will remain the same?

• Texture
• Temperature
  
• Shape
•  Mass

Tags

NGSS.MS-PS1-4

Which of the following is NOT an example of a physical change?

• crumpling paper

• breaking a pencil

• cutting a log

• rust