It takes _____ energy to convert liquid water to ice than it does to convert ice to liquid water. A.more B.less C.the same amount of.

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Presentation transcript:

It takes _____ energy to convert liquid water to ice than it does to convert ice to liquid water. A.more B.less C.the same amount of

A substance can sometimes evaporate directly from a solid to a gaseous phase. A.True B.False

In an isolated system, ΣQ = ?? A.0 B.A non-zero constant C.Depends on the system

Conduction, convection and radiation are all methods to transfer energy. A.True B.False

Wood has a greater thermal conductivity than metals such as steel and copper. A.True B.False

All objects emit electromagnetic radiation. A.True B.False

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