1. Chemical vs. Physical Change 65 64 Matchbox Riddles
Make a 2 door foldable. Label the outside tabs: chemical change and physical change
Glue on this page, when we are done taking notes
Modify for your students

2. Physical and Chemical Properties
Let’s Review
Physical and Chemical Properties
Physical Property
Chemical Property
When I say “Show Me”, hold up the correct card.

3. Physical Property OR Chemical Property
Observation
1. Copper turns green when exposed to the environment.
2. Oxygen is odorless and colorless.
3. The piece of metal is magnetic.
4. The density of water is 1.0 g/ml.
5. Diamonds are a very hard substance.
6. The tree is 8 meters high.
7. Sodium reacts very easily with other elements.
8. Water is a liquid.
9. Baking soda reacts with vinegar.
10. Alka-Seltzer tablets react with water to produce gas.

4. Physical and Chemical Change

5. Matter changes… All around you matter is changing (2 kinds)
a. Chemical Change
b. Physical Change

6. Physical Change

7. Recap Video – Physical Change
The appearance may change but the material is still the same
Easily Reversible
Physical Change includes:
Change in state, size or shape
Mixing or stirring
Dissolving
Melting, freezing or evaporating

8. Activity With a partner, which of the following are physical changes?

9. Chemical Change

10. Recap Video – Chemical Change
A chemical reaction causes a new substance to be made
Hard to reverse
Signals:
Gas produced
Light created
Color change
Temperature change

11. Activity With a partner, which of the following are chemical changes?

12. How are physical and chemical change different? (Name 3 things)
Think – Pair - Share
How are physical and chemical change different? (Name 3 things)
Think about how physical and chemical change is different.
Share your thoughts with a neighbor

13. Chemical vs. Physical Change 67 66 Matchbox Riddles
Make a 2 door foldable. Label the outside tabs: chemical change and physical change
Glue on this page, when we are done taking notes
Create a matchbox for each term below:
Outside: riddle/joke
Inside: answer
Under flap: picture
Use at least 4 colors. Glue each one on this page, when you are done
Terms:
Physical change, chemical change, physical property, chemical property
Modify for your students

14. Exit Ticket Use a post-it to answer the following 2 questions.
Which event is a chemical change?
The baseball strikes the roof.
The roof of the car dents.
The paint cracks and chips.
The exposed metal rusts.
Which process is an example of a physical change?
Wood burning
Iron rusting
Ice melting
Milk souring

15. In the center of your foldable, create 2 Venn diagrams comparing:
Physical change and physical property
Chemical change and chemical property