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science chp. 3 sec. 3&4
| Question | Answer |
|---|---|
| pressure | the force of its outward push divided by the area of the walls of the container. Pressure is measured in units of pascals (Pa) or kilopascals (kPa). (1 kPa = 1,000 Pa.) Pressure= force _____ area |
| Boyle’s law | Boyle found that when the pressure of a gas at constant temperature is increased, the volume of the gas decreases. When the pressure is decreased, the volume increases. This relationship between the pressure and the volume of a gas |
| Charles’s law | Charles found that when the temperature of a gas is increased at constant pressure, its volume increases. When the temperature of a gas is decreased at constant pressure, its volume decreases. |
| graph | a diagram that tells how two variables, or factors that change, are related. |
| orgin | Such a line would pass through the point (0, 0), |
| directly proportional | When a graph of two variables is a straight line passing through the origin, the variables are said to be directly proportional to each other. |
| vary inversely | When a graph of two variables forms this kind of curve, the variables are said to vary inversely with one another. Such a relationship means that when one variable goes up, the other variable goes down in a regular way. The graph for Boyle’s law shows tha |