Chemical/Physical Change/Property & Acids & Bases

Physical and chemical changes affect the ______ of different substances.

• properties

• Physical change

What type of change does not change the composition of a substance?

• Physical change

• properties

What type of change results in the formation “creation” of one or more new substances?

• Physical change

• Chemical change

What type of change is easy to reverse or change back?

• physical change

• chemical change

What type of change is not easy to reverse or change back?

• physical change

• chemical change

List the two pieces of evidence that a physical change has taken place or occur.

• physical change

• States of matter changes

• Size or shape changes

List the four pieces of evidence that a chemical change has taken place or occur.

• color change

• Temperature change

• Precipitate formation

• Gas formation

What happens to the composition of matter, when it changes from one state of matter to another?

• it stays the same

• it changes

A solid change to liquid due to increasing heat is called ____.

• melting

• freezing

A liquid change to solid due to increasing heat is called ____.

• hardening

• soft