| A | B |
|---|
| four | there are ______ states of matter |
| solid | every __________ has definite shape and a definite volume |
| kinetic theory of matter | states that tiny particles in constant motion make up all matter |
| forces | particles in solid matter are held close together by _______________ between them |
| patterns | in most solids particles are arranged in repeating geometric ______________ |
| liquid | a ___________ has definite volume and no definite shape |
| kinetic | in a liquid the particles are close together and have enough ___________ energy to move over and around each other |
| gas | a _______ has netiher a definite shape nor a definite volume |
| separate | the particles of a gas have enough energy to __________________ completely from one another |
| plasma | the most common form of matter |
| charged | plasma is a gaslike mixture of positively and negatively ____________ particles |
| expands | almost all matter ____________ when it get hotter |
| cools | almost all matter contracts when it ______________ |
| polluted water | refers to water that contains such high levels of unwanted materials that it is unacceptable for drinking or other specific purposes |
| thermal pollution | excess heat in water |
| evaporation | liquid changes to a gas |
| condensation | gas changes to a liquid |
| heat of fusion | amount of energy needed to change a material from the sloid state to the liquid state |
| heat of vaporization | amount of energy needed to change a material from a liquid to a gas |
| water | 2260 kJ/kg is the heat of vaporization for ________________ |
| pressure | the amount of force exerted per unit area |
| pascal | the SI unit for pressure |
| boyle's | according to ___________ law, if you decrease the volume of a container of gas, the pressure of the gas will increase provided the temperature does not change |
| charles's | according to __________ law the volume of a gas increases with increasing temperature, provided the pressure does not change |
| shrinks | the volume of a gas __________ with decreasing temperature |
| buoyant force | the amount of ________________ determines whether an object will sink or float in a fluid |
| weight | according to Archimede's principle, the buoyant force on an object is a fluid is equal to the ____________ of the fluid displaced by the object |
| pressure | Pascal's principle states that _____________ applied to a fluid is transmitted unchanged throughout the fluid |
| large | if 500 N of force is applied to a small piston the ____________ piston will also have 500 N of force |
| velocity | according to Bernoulli's principle as the ___________ of a fluid increases, the pressure exerted by the fluid decreases |
