| A | B |
| catastrophic event | a violent and sudden change of the earth |
| discrepant event | an event that you would not normally expect to happen |
| inquiry | a search for truth or knowledge |
| vortex | a whirling mass as a tornado or whirlpool |
| hypothesis | an explanation of a discrepant event |
| thunderstorm | a disturbance in the earth's atmosphere |
| funnel cloud | a rapidly rotating cloud that becomes visible as a funnel at the base of a thundercloud |
| tornado | a violent windstorm that spirals around a rotating column of air that forms over land |
| hurricane | a massive, rotating storm that forms over tropical oceans |
| typhoon | a hurricane that forms north of the equator in the western pacific ocean |
| cyclone | a hurricane that forms in the indian ocean or off the coast of Australia |
| eye | The center of the hurricane |
| eye wall | A ring of spiraling clouds and thunderstorms that whirl around the hurricane's center |
| NOAA | National Oceanic and Atmospheric Administration |
| NWS | National Weather Service |
| variable | something that you change in an experiment |
| weather | the state of the atmosphere at a particular time and place |
| climate | the weather patterns that are characteristic of a region or place for many years |
| solar energy | energy from the sun |
| radiation | the transfer of heat energy from one object to another witout the space between them being heated |
| atmosphere | the thin blanket of air that surrounds the earth |
| temperature | a measure of how or cold a material is |
| equinox | two days of the year when night and day are almost equal all over the world |