Physical and Chemical Changes 5P1

The Law of conservation of mass states that

• Matter is neither created nor destroyed in a chemical change.

• New matter is created and old matter is destroyed in a chemical change.

Tags

NGSS.MS-PS1-5

which of these example is a physical change?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-4

which one is not an indicator of a chemical change

• formation of gas

• formation of a solid

• formation of liquid

• change of colour

• change in temperature

Tags

NGSS.MS-PS1-2

A physical change is

• a change where the characteristics do not change the substance

• a change where the characteristics do change the substance

• a change where the chemistry changes

Tags

NGSS.MS-PS1-4

Which below are types of physical properties:

• density

• color change

• temperature

• mallelable

• solubility

Which of the following are examples of chemical properties (more than one)

• combusts

• reacts with water and oxygen

• ductile

• is weighed in grams

• has a sour taste

Tags

NGSS.MS-PS1-2

A new substance is formed in a physical change.

• true

• false

This is an example of a ________ change.

• physical

• chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

This is an example of a _______ change.

• physical

• chemical

Tags

NGSS.MS-PS1-2

What is the temperature at which a substance changes state from a liquid into a gas?

• Boiling Point

• Freezing Point

• Physical Change

• Melting Point

Tags

NGSS.MS-PS1-4