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Physical and chemical changes
- 1. Changes Temporary and Permanent
- 2. Is This Matter Changing? How is it changing? ?bending ?freezing ?cutting ?heating
- 3. Is this Matter Changing into something new? How is it changing?
- 4. Even though the wood has changed shape, the wood is still wood!
- 5. Is this matter changing into something new? How is it changing?
- 6. Is this matter changing into something new? How is it changing?
- 7. Is this matter changing into something new? How is it changing?
- 8. Physical Changes…Nothing New Ice cream to melted ice cream? Chocolate to melted chocolate? Ice, to water, to water vapor? Steel to molten steel? Temporary Changes
- 9. PERMANENT CHANGES Fireworks are metals(magnesium and copper) that change chemically as they light up the night skies.
- 10. SIGNS OF CHEMICAL CHANGES Color Change
- 11. SIGNS OF CHEMICAL CHANGES Energy released
- 12. SIGNS OF CHEMICAL CHANGES Energy absorbed
- 13. SIGNS OF CHEMICAL CHANGES Production of a Gas
- 15. SIGNS OF CHEMICAL CHANGES Not easily reversed
Editor's Notes
- There are several names for matter changing states: State change, Phase change, Physical change
- Skip to 1:28 on steel video.