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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
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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
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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
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Did you know…? The first day of spring is March 20.
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Today’s Activities Drill Mixtures: Together but Separate Video WOW quiz Matter and Mixtures Review Conclusion
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Closure What are the three main properties of a compound?
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Conclusion Answer Components take on new properties There IS a definite ratio of the components Can be broken down by chemical means
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