Chemical Worksheet 2

Worksheet #2: Physical/Chemical ... Fill in the Blanks. ______ properties can be observed without chemically changing matter. ______ ... melting point...

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Worksheet #2: Physical/Chemical Properties/Changes I.

Name___________________

Fill in the Blanks

____________ properties can be observed without chemically changing matter. ____________ properties describe how a substance interacts with other substances. ____________ have definite shapes and definite volumes. ____________ have indefinite shapes and definite volumes. ____________ have indefinite shapes and indefinite volumes. Phase changes are ____________ changes. ____________ point is the temperature at which a liquid turns to a solid. It is also equal to the ____________ point which is the temperature at which a ____________ turns to a ____________. ____________ point is the temperature at which a liquid turns to a gas, and ____________ point is the temperature at which a gas turns to a liquid. Occasionally, a solid turns directly into a gas without turning into a liquid first. This is called ____________.

II.

Label these properties as chemical (C) or physical (P). Be certain to know the definition of each of these properties.

combustibility malleability weight failure to react ductility texture

III.

_____ _____ _____ _____ _____ _____

density tendency to corrode volume melting point odor flammability

_____ _____ _____ _____ _____ _____

Label these changes as chemical (C) or physical (P).

digestion of food getting a haircut evaporation ice cube melting crushing rocks

_____ _____ _____ _____ _____

explosions lighting a candle tarnishing silver formation of acid rain dissolving salt in water

CHEMISTRY: A Study of Matter © 2004, GPB

2.4

_____ _____ _____ _____ _____