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2
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Any change that creates a new chemical substance
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3
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A change in the form of a substance but not in the chemical makeup
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4
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Heat is being given off
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5
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Thermal energy is the internal energy of an object due to the kinetic energy of its atoms and/or molecules
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6
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Heat is being taken in
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7
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the degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch.
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8
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Molecules are tightly packed together / fixed shape
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9
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No fixed shape / particles are far apart, flying fast past eachother
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1
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Molecules are touching and losely flowing pass eachother no fixed position
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2
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Principle stating that mass cannot be created or destroyed
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