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Thermal Energy
| Term | Definition |
|---|---|
| average | a number expressing the central or typical value in a set of data, in particular the mode, median, or (most commonly) the mean, which is calculated by dividing the sum of the values in the set by their number of numbers in the list |
| bacteria | tiny organisms that are made of a single cell |
| change | when something becomes different over time |
| collision | the moment when two objects hit each other |
| energy | the ability to make things move or change |
| equilibrium | a balanced state in which a system is stable, such as when two or more samples are at the same temperature |
| ground water | water that is underground |
| infer | to reach a conclusion using evidence and reasoning |
| kinetic energy | the energy that an object has because it is moving |
| matter | anything that has mass and takes up space |
| molecule | a group of atoms joined together in a particular way |
| pasteurize | to make something safe to eat or drink by heating it |
| sample | a small part that is meant to show what the whole is like |
| stability | when something stays mostly the same over time |
| system | a set of interacting parts forming a complex whole |
| temperature | a measure of how hot or cold something is |
| thermal energy | the total kinetic energy of all the molecules that make up a sample |
| transfer | to move from one object to another or one place to another |
| water heater | a heating unit that stores and warms water |
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