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 |