1. Sunday, July 10, 2016 Objective: YWBAT describe characteristics of elements, mixtures, and compounds. Drill: Describe the differences between chemical and physical changes. Give an example for each. Homework Test Wednesday

2. Chemical changes One or more substances are changed into entirely new substances with NEW properties Cannot be reversed using physical means Iron and oxygen forming rust

3. Physical Change A change that affects one or more physical propeties (senses) of a substance Many physical changes are easy to undo Changes of state are physical changes

4. Did you know…? The first day of spring is March 20.

5. Today’s Activities  Drill  Mixtures: Together but Separate Video  WOW quiz  Matter and Mixtures Review  Conclusion

6. Closure What are the three main properties of a compound?

7. Conclusion Answer Components take on new properties There IS a definite ratio of the components Can be broken down by chemical means