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Thermal Energy

Across
When something becomes different over time
The total kinetic energy of all the molecules that make up a sample
When something stays mostly the same over time
To move from one object to another or one place to another
Down
A measure of how hot or cold something is
A group of atoms joined together in a particular way
Number that summarizes a set of data
The moment when two objects hit into each other
The ability to make things move or change
To reach a conclusion using evidence and reasoning