| A | B |
|---|
| tilt of earth's axis and revolution around the sun | causes seasons |
| earth is closest to the sun | perihelion |
| equal length of day and nite | equinoxes |
| sun lowest in our sky | winter solstice |
| longest day of year | summer solstice |
| heat travels through solids | conduction |
| heat travels through liquids and gases | convection |
| heat travels through waves | radiation |
| high temperature of 60 and low of 40 | 15 heating degree days |
| 32 degrees | freezing on fahrenheit thermometer |
| 100 degrees | boiling of water in celsius |
| 0 degrees | absolute zero on kelvin scale |
| an ocean current flowing towards the poles | warm water |
| an ocean current flowing towards the equator | cold water |
| the amount of energy reflected | albedo |
| the change in temperature as you go up in the air | lapse rate |
| 80 calories per gram | heat of fusion of water |
| 600 calories per gram | heat of vaporization |
| air that will not rise or fall | stable |
| rising or falling air | instability |
