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thermal energy
| Question | Answer |
|---|---|
| average | a single number representing a group, found by adding all numbers and dividing by the count |
| bacteria | microscopic, single-celled organisms |
| change | when something becomes different over time |
| collisions | the moment when two objects hit each other |
| energy | the ability to make things move or change |
| equilibrium | a state in which opposing forces or influences are balanced. |
| groundwater | water found beneath the Earth's surface in cracks and spaces within soil, sand, and rock, stored in underground layers called aquifers |
| infer | deduce or conclude (information) from evidence and reasoning rather than from explicit statements. |
| kinetic energy | energy which a body possesses by virtue of being in motion. |
| matter | physical substance in general, as distinct from mind and spirit |
| molecule | a group of two or more atoms chemically bonded together, forming the smallest unit of a substance that retains its chemical properties |
| pasteurize | to a process of partial sterilization, especially one involving heat treatment |
| sample | a small part or quantity intended to show what the whole is like. |
| stability | the state of being stable. |
| system | a set of things working together as parts of a mechanism or an interconnecting network. |
| temperature | 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. |
| thermal energy | the internal energy of a substance due to the random motion (kinetic energy) of its atoms and molecules |
| transfer | move from one place to another. |
| water heater | To supply hot water for bathing, cleaning, and cooking, differentiating it from a boiler |