physical/chemical changes

A change in which one or more physical properties change, but it does not become a different substance. (1 word answer)

A clue that a physical change has happened.

• state of matter change.

  (solid becomes liquid, liquid changes to gas)

• produces odor

• temperature change

• change in color

Which is NOT an example of a physical change?

• origami

• tearing paper

• cutting a banana

• burning wood

A change in which one or more new substances are formed.

(1 word answer)

Which is NOT a clue that a chemical change has happened?

• produces sound

• new substance formed

• shape change

• temperature change

Which is an example of a chemical change?

• ice melting

• kirigami

• plant getting taller

• metal rusting

2 hydrogen atoms + 1 oxygen atom combine to form this example of a chemical change. ( H20 )

A combination of two or more substances that keep their original properties.

( our rock and magnet experiment )

• chemical change

• mixture

• origami

• a new substance

Which is NOT a clue that a physical change has happened?

• size change

• shape change

• change in color

• state of matter change

Which is an example of a physical change?

• chopping wood

• burning paper

• milk spoiling

• plant making own food