Grade 4: Oral presentations about Physical and Chemical Changes of Matter

Last week, all grade 4 students got ready to give their oral presentations about Physical and chemical changes. But, what is the difference between physical and chemical changes?Let me give you some reasons:

PHYSICAL CHANGES:

1.They do not produce a new kind of matter because it is still the same matter. 2.Physical changes are about heat and states of matter. For example, when you melt an ice cube and it turns to liquid, it causes a change in the state of matter.   CHEMICAL CHANGES: 1. They produce a new substance. 2. Chemical changes happen on a much smaller scale. Enjoy this slide of pictures when they were working in class.Grrrrrrrreat job my dear Lions,Tigers, and Leopards !

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