Homework Play Outside! Wednesday, May 22, 2019 B-Day Objective: YWBAT describe how substances change from state to state. Drill: What is the difference between a physical and a chemical change? Homework Play Outside!

A physical change affects one or more of the physical properties such as appearance while a chemical change occurs when an entirely new substance is formed with different properties such a cake.

Did you know…? When something gets hotter it will expand, or get bigger. At the same time when something gets colder it will shrink. This property is used to make mercury thermometers. The line in the thermometer is actually liquid mercury. As the liquid gets hotter it will expand and rise in the thermometer to show a higher temperature. It's the expansion and contraction due to temperature that allows the thermometer to work.

Today’s Activities Drill Classroom Quiz Finish Unfinished Work Study WOW - Quizlet Conclusion

How will you exercise this weekend? Closure How will you exercise this weekend?

Conclusion Answer Answers will vary