Topic Physical and Chemical Change Essential Question How

Topic: Physical and Chemical Change Essential Question: How do you know when a new substance is formed?

What is a Physical Property? n Physical properties are observable characteristics of matter.

What are examples of Physical Properties? n Examples of physical properties could be: n n n n Color Shape Odor Texture Mass Density Volume

What are Chemical Properties? n How matter changes into new matter.

What are examples of Chemical Properties? n Examples of chemical properties include: n n Flammability How it reacts with oxygen Corrosive Can rust

Property Changes Brain. Po. P! n Click the picture!

What is a Physical Change? n n Change of state of matter OR change in size or change. If something goes through physical change it is possible to put it back the way it was.

What are examples of Physical Change? n Examples of physical changes include: n n n n n Freezing Melting Sublimation Boiling Evaporation Condensation Tearing Chopping Dissolving

What is Chemical Change? n n Atoms change their link up. When something goes through a chemical change a new substance is formed. Energy can be taken or given off during chemical change. Substance CANNOT go back to the way it was after a chemical change.

What are examples of Chemical Change? n Examples of chemical change include: n n n Burning Decaying Digesting Rusting Tarnishing Color change where a new color appears

Summary n n When writing Cornell Notes it is always important to reflect on what you discovered. You will ALWAYS write 4 -5 sentences summarizing your notes. n Hint: If you answer the questions you were given in the form of a sentences and put them together, you will have a summary!

Glue and Assignment Glue your C-Notes onto the right hand page. On the left hand page you will create a foldable using your C-Notes. Foldable should include 1. 2. 3. 4. Physical Property Chemical Property Physical Change Chemical Change When finished glue onto the left hand page.