18 terms

Thermal Energy

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average
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
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
groundwater
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
transfer
to move from one object to another or one place to another
water heater
a heating unit that stores and warms water