Chemical, Physical, Acids & Bases

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

• Physical change

• Chemical change

• Dull

• Melting

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

• Chemical change

• Physical change

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

• Physical properties

• Chemical changes

• Physical changes

• Chemical properties

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

• Chemical change

• Physical change

• Chemical properties

• Physical properties

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

• Size or shape changes

• States of matter changes

• State of mind

• State of Mississippi

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

• Color change

• Temperature change

• Precipitate formation

• Gas formation

• All of above

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

• It changes

• It decreases

• It stays the same

A solid change to liquid due to increasing heat

• Burning

• Boiling point

• Freezing

• Melting

A liquid change to gas due to increasing heat

• evaporation

• melting point

• dull

• precipitation

A liquid change to solid due to decreasing heat

• liquid

• hardening

• evaporation

• freezing