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The change from solid to liquid is (3)_________, liquid to gas is (4)_________, and solid to gas is
(5)_________. These changes take place when heat is absorbed. They are (6)_________ processes. The
reverse change from gas to liquid is (7)__________, gas to solid is (8)____________, and liquid to solid is
(9)__________. These changes give off heat (heat lost) and are (10)___________ processes.
(11)___________ occur when heat is added or removed from a substance. When a substance is heated, the
added energy is used by the substance in either of two ways.
The added heat increases the (12) __________ of the particles and the particles move faster.
The increase in kinetic energy is accompanied by an increase in (13)___________.
The added heat is used to break (14)___________ between particles. There is no observed
increase in (15)__________ when this happens. Often a change in the physical appearance of the substance
is observed, such as a phase change.

Sagot :

JOSEANEMARI031910IN

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Answers:

3. Melting

4. Boiling (or vaporization)

5. Sublimation

6. Chemical Reaction

7. Condensation

9. Solidification

10. Convection, Conduction, Radiation, and evaporation

11. Phase change

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