| A | B |
|---|
| prominences | giant clouds of gas that form huge fiery loops thousands of miles high |
| solar winds | stream of energized particles that escape from the sun |
| solar flares | usually only last a few seconds and are seen around sunspots; can disrupt navigation on earth |
| corona | gas from the sun only seen during an eclipse |
| two main parts of the sun | core and atmosphere |
| length of time it takes the sun's energy to reach earth | eight light minutes |
| part of the sun with a red glow and hot gases | chromosphere |
| outer layer of sun's atmosphere | corona |
| distance from earth to sun | 93,000,000 miles |
| primary gases of the sun | hydrogen and helium |
| hottest part of the sun where the sun's energy is created | the core |
| radiative zone | the zone between the core and the sun's surface that radiates energy |
| convective zone | the area where boiling gases that carry energy to the sun's surface |
| photosphere | the visible layer of light energy |
| sunspots | dark, cooler areas on the sun's surface |
| 11 years | how long the cycle of the sun's weather |
| coronal mass ejections (CME) | blast of charged particles that can cause auroras |
| auroras | beautiful light show caused by the sun's gases hitting the earth's atmosphere |
| solar maximum | time of greatest weather activity on the sun |
| 1.3 million | number of earths that would fit inside the sun |
| radiation | emission of energy particles |
| magnetosphere | layer of the earth's atmosphere that protects us from solar radiation |
| early morning/late afternoon | when shadows are longest |
| noon | when shadows are smallest |
| shadow | formed by blocking the light |
| axis | imaginary line on which the Earth spins |
| Earth's tilt | causes the seasons |
| North Pole tilted toward the sun | summer in northern hemisphere |
| the sun is a ____ | star |
| Sol means ___ | sun |
| The core has ___ parts | 3 |
| three parts of the sun's atmosphere | photosphere, chromosphere, corona |
| Solar storms can affect ____ | navigation on Earth, satellites, communication |
