KnowAtom Unit 1 Vocabulary Words

the ability to do work

something that happens in a regular and repeated way

a gravitational force exerted on an object by a planet or moon

a force that slows motion whenever two objects rub against each other

all knowledge gained from experiments

a set of connected, interacting parts that form a more complex whole

everything that has mass and takes up space

the size, extent, or importance of something relative to something else

an observable or measurable characteristic of matter

a force of attraction between all matter

a measure of the amount of matter that makes up an object

smallest piece of matter that has the properties of an element-protons, neutrons, and electrons

a measure of how much space an object or substance takes up

the rate at which an object covers distance in a period of time; measured in meters per second

any change in position, speed, or state of matter due to force

a push or pull that acts on an object, changing its speed, direction, or shape

a relationship between events or things, where one is the result of the other