Thermal Energy
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Down:
2. The total energy of all the particles of an
object
4. the moment when two objects hit each other
5. a number that summarizes a set of data
and that can be computed by adding all the
numbers in a list and then dividing by the
number of numbers in the list
9. ______________ is a measure of the average
kinetic energy of molecules of a thing.
11. to reach a conclusion using evidence and
reasoning
12. When two things are in contact, their
molecules _________, and kinetic energy
transfers from the faster-moving molecules
to the slower-moving molecules.
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Across:
1. a set of interacting parts forming a complex
whole
3. Energy isn't created or ___________.
Therefore, as energy transfers. It increases
in one part of the system as it decreases in
another part of the system.
6. when something stays mostly the same
over time
7. a group of atoms joined together in a
particular way
8. When a thing gets _________, its molecules
are moving faster and have more kinetic
energy.
10. the energy that an object has because it is
moving
13. what is the average of 5,6,3,5,1
14. to move from one object to another or one
place to another
15. when something becomes different over
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16. a balanced state in which©a2007
system
stable, such as when two or more samples