Ch. 11Lesson 1

What are physical changes in matter?

Activity- How can matter change?

Cup Contents Observations right away

Observations 10 min later

A 100 mL water

1 spoonful salt

B 1 ice cube

C 50 mL vinegar

1 spoonful baking soda

physical change

matter changes the way it looks without becoming a new kind of matter

examples of physical changes

1.folding clothes

examples of physical changes

2.cutting paper

examples of physical changes

3.changes of states of matter

Change in temperature

Can cause change in

state

melting

=

states of matter

forms that matter can take

What properties of matter are affected by physical changes?

size shape weight color

Why have the pieces of a broken window undergone

physical change?

They are no longer the same size and shape, but each piece is still made of the same kind of matter as the window.

You move a rock from one place to another. Has a physical change

occurred? Why or why not?

No, because the properties of the rock have not changed.

http://steam.cs.ohiou.edu/~mleitch/ChangeLab.swf

Physical or chemical changes online activity