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A change that alters the form or appearance of a material but does not convert the material into new substances. PHYSICAL CHANGE

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Page 1: Summary physical changes

A change that alters the form or appearance of a material butdoes not convert the material

into new substances.

PHYSICAL CHANGE

Page 2: Summary physical changes

Changes in state are physical changes

Image source: http://itl.chem.ufl.edu/2041_u99/lectures/lec_f.html

Every substance contains energy from the movement of its particles, called thermal energy. The higher the temperature of a substance, the greater its thermal energy.

http://itl.chem.ufl.edu/2041_u99/lectures/lec_f.html
Page 3: Summary physical changes

The measure of the average energy of motion of the particles in a substance is

TEMPERATURE

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Page 4: Summary physical changes

Matter changes whenever energy is added or taken away.

Energy is added: Solid Liquid Gas

Energy is removed: Gas Liquid Solid

Page 5: Summary physical changes
Page 6: Summary physical changes

Image source: http://cse.ssl.berkeley.edu/artemis/mission_sunearth_closeup1.html


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