Term | Definition |
anything that takes up space and matter. | matter |
is the most common state of matter in space. | plasma |
The three most common forms of matter on Earth are: | solid, liquid, gas |
the amount of matter in an object. | mass |
the amount of space that matter occupies | volume |
Density of a given substance remains ________ regardless of the size of the sample | constant |
The two main factors that determine the state of matter are particle ______ and particle ________. | motion, forces |
particles move in a straight line until they _____ with something. | collide |
Atoms contain positively charged _____ and negatively charged_______. | protons, electrons |
as the motion of particles ______ particles move further apart. | increases |
a _____ is matter that has a definite volume and a definite shape. | solid |
The particles in a solid simply______ back and forth in place. | vibrate |
A _____ is matter with a definite volume but no definite shape. | liquid |
The particle motion in the liquid state of a material is ______ than in the particle motion in the solid state. | faster |
________ is a measurement of a liquids resistance to flow. | viscosity |
As a liquid becomes warmer particles begin to move faster and the attractive forces between them get _______ | weaker |
molecules at the surface of a liquid have _____ ______ the uneven forces acting on the particles on the surface of a liquid. | surface tension |
A ____ is matter that has no definite shape and no definite volume. | gas |
The gas state of a substance that is normally a solid or a liquid at room temperature is called _____. | vapor |