A number that summarizes a set of data and by adding all the numbers in a list and then dividing by the quantity of numbers.
What is average?
tiny organisms that are made of a single cell
What is bacteria?
the moment when two objects hit each other
What is collision?
the ability to make things move or changev
What is energy?
a balanced state in which a system is stable, such as when two samples are at the same temperature
What is equilibrium?
water that is underground
What is groundwater?
to reach a conclusion using evidence and reasoning
What is infering?
energy that moves
What is kinetic energy?
anything that has mass and takes up space (volume)
What is matter?
a group of atoms joined together in a particular way
What is a molecule?
to make something safe to eat or drink by heating it
What is pasteurization?
a small part that is meant to show what the whole is like
What is a sample?
when something stays mostly the same over time
What is stable?
A measure of the average speed of the molecules of a substance.
What is temperature?
to move from one object to another or one place to another
What is transfer?
a heating unit that stores and warms water
What is a water heater?
a set of interacting parts forming a complex whole
What is a system?
The total energy of all the particles of an object. measured with temperature
What is thermal energy?
Distance travelled per unit time
What is speed?
extremely small units of matter
What are particles?