Physical and Chemical Changes

1
Physical and Chemical Changes

• With your CPS units, identify the following
  actions as physical or chemical changes.
• Remember
• Physical properties- Identifies, describes and
  classifies matter. Characteristic of a substance
  that can be observed WITHOUT CHANGING the
  substance into something else.
• Chemical properties- Characteristics involved
  when a substance interacts with another substance
  to CHANGE its chemical make-up.
• ARE YOU READY??? HERE WE GO!

2
Physical and Chemical Changes

• Identify the following
• 1
• DIGESTING YOUR DINNER
• A. Physical Change
• B. Chemical Change

3
Physical and Chemical Changes

• Identify the following
• 2
• Chopping up a piece of wood in half with an axe.
• A. Physical Change
• B. Chemical Change

4
Physical and Chemical Changes

• Identify the following
• 3
• Lighting the wood on fire
• A. Physical Change
• B. Chemical Change

5
Physical and Chemical Changes

• Identify the following
• 4
• Biting an apple
• A. Physical Change
• B. Chemical Change

6
Physical and Chemical Changes

• Identify the following
• 5
• Cooking an egg in a hot pan
• A. Physical Change
• B. Chemical Change

7
Physical and Chemical Changes

• Identify the following
• 6
• Sitting on a balloon and popping it
• A. Physical Change
• B. Chemical Change

8
Physical and Chemical Changes

• Identify the following
• 7
• Opening a piece of wrapped candy
• A. Physical Change
• B. Chemical Change

9
Physical and Chemical Changes

• Identify the following
• 8
• Taking an antacid tablet for heartburn
• A. Physical Change
• B. Chemical Change

10
Physical and Chemical Changes

• Identify the following
• 9
• Putting a drain cleaner into your sink to
  dissolve hairballs
• A. Physical Change
• B. Chemical Change

11
Physical and Chemical Changes

• Identify the following
• 10
• Blowing bubbles out of a soap solution
• A. Physical Change
• B. Chemical Change

12
Physical and Chemical Changes

• Identify the following
• 11
• Milk that has gone sour
• A. Physical Change
• B. Chemical Change

13
Physical and Chemical Changes

• Identify the following
• 12
• Hitting a baseball with a bat
• A. Physical Change
• B. Chemical Change

14
Physical and Chemical Changes

• Identify the following
• 13
• Making cookie batter and baking it
• A. Physical Change
• B. Chemical Change

15
Physical and Chemical Changes

• Identify the following
• 14
• Starting your car engine and burning gasoline
• A. Physical Change
• B. Chemical Change

16
Physical and Chemical Changes

• Identify the following
• 15
• Tearing a piece of cloth
• A. Physical Change
• B. Chemical Change

17
Physical and Chemical Changes

• Identify the following
• 16
• Wadding up a piece of paper
• A. Physical Change
• B. Chemical Change

18
Physical and Chemical Changes

• Identify the following
• 17
• Removing grease with soap
• A. Physical Change
• B. Chemical Change

19
Physical and Chemical Changes

• Identify the following
• 18
• Cutting a hamburger in half with a knife
• A. Physical Change
• B. Chemical Change

20
Physical and Chemical Changes

• Identify the following
• 19
• Flattening a lump of clay with your fist
• A. Physical Change
• B. Chemical Change

21
Physical and Chemical Changes

• Identify the following
• 20
• Exercising and using sugars and fat stored in
  your body
• A. Physical Change
• B. Chemical Change