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12 questions
Thermal energy always moves:
From a high temperature object to a lower temperature object.
From a lower temperature object to a higher temperature object.
From an object with lower kinetic energy to an object with higher kinetic energy.
From an object of higher mass to an object of lower mass.
What is holding molecules in a solid close to each other?
Intermolecular forces
Chemical Bonds
Heat
Cold
What does heat do to intermolecular forces?
strengthens them
Weakens them
reverses them
As matter cools what happens to the intermolecular forces?
they strengthen
they weaken
they reverse
What is true about intermolecular forces in gases
they have been broken by heat
They are very strong
They cannot be put back together
they represent a chemical change
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