Physical change

A physical change is ___________________.

• a change in some properties of matter that does not lead to forming a new substance.

• a change that produces a new substance.

Which is an example of physical change?

• 
• 
• 
• 

The energy is conserved (remains the same) before and after a physical change?  

• False

• True

Why Mixing baking soda with vinegar cause a chemical chenge?

• Because it is produce a new substance.

• Because the mass stay the same.

• Because the identitiy of the mixture stay the same.

Draw an example of a chemical change .