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

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.

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.

Physical and Chemical Change

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

Physical Change

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

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

Chemical Change

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

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

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

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

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

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