Presentation is loading. Please wait.

Presentation is loading. Please wait.

Physical or Chemical?. Physical Chemical huevos de craqueomashmallows asar.

Similar presentations


Presentation on theme: "Physical or Chemical?. Physical Chemical huevos de craqueomashmallows asar."— Presentation transcript:

1 Physical or Chemical?

2 Physical Chemical huevos de craqueomashmallows asar

3 Physical or Chemical? Physical Chemical cristales rotosencender un fósforo

4 Physical or Chemical? Chemical Physical digestión de los alimentos cortar el césped

5 Physical or Chemical? Chemical fuegos artificiales hornear un pastel

6 Physical or Chemical? Physical Chemical fusión del hieloclavos oxidados

7 Physical or Chemical? Chemical

8 WHY? Frying an egg= it denatures the protein in the egg – the reaction is NOT reversible Toast= the bread turns brown & the texture changes, and odor is produced

9 Physical or Chemical? Physical agua hirviendo limonada fresca

10 WHY? Fresh lemonade= it would be a physical change because the sugars are still comprised in the same way just now its extracted liquids.

11 PHYSICAL CHANGE Change in which the appearance of a substance changes, but chemically the substance is the same – Ex: Phase changes in water Melting Boiling Evaporating – Atoms DO NOT rearrange – Only physical properties change When matter is changed from one type of matter into another type, that has different properties. – Atoms ARE rearranged – BOTH physical and chemical properties are changed Physical or Chemical? CHEMICAL CHANGE


Download ppt "Physical or Chemical?. Physical Chemical huevos de craqueomashmallows asar."

Similar presentations


Ads by Google