click below
click below
Normal Size Small Size show me how
7th ch. 22 science
| Question | Answer |
|---|---|
| chromosphere | lowest layer of the atmosphere |
| photosphere | visible surface of the sun |
| rille | long narrow valley in the moon |
| maria | plain on moon made of hardened lava |
| crater | depression in earth/moon's surface |
| revolution | motion of astronomical body around another body |
| satellite | small body that orbits another astronomical body |
| solar flare | sudden explosion of plasma from sun's surface |
| sun spots | small cool area on sun's photosphere |
| eclipse | celestial body cuts off light from sun to another body |
| crest | highest point of a wave |
| trough | lowest point of a wave |
| wavelength | the distance of a wave from peak to peak |
| amplitude | the height of the wave |