Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
SUN AND MOON
its sience
| Term | Definition |
|---|---|
| sphere | 3D circle |
| axis | imaginary line that cuts through the middle of the earth |
| rotation | spinning of earths imaginary axis which takes about 24 hours to complete |
| revolution | earths yearly elliptical around the sun |
| ellipse | elongated close curve that causes earths long orbit |
| solstice | twice yearly at the point when the sun reaches the greatest distance from the equator |
| equinox | twice yearly time each spring and fall when sun is directly over equator and the # of day light is the same |
| moon phase | change in appearance of the moon as reinform the earth due to the relative position of the earth moon sun |
| new moon | moon phase that seams that the moon disappeared |
| waxing | describes phases following a new moon as the more lighted side of the moon becomes more visible |
| waning | describes phases that occur after a full moon as the lighted side of the moon grows smaller |
| full moon | phase that occurs when the moon all of the moons surface is facing the sun and becomes more visible |
| solar eclipse | occurs when the moon goes be tween the earth and the sun and creates a shadow on the earth |
| lunar eclipse | occurs when earths shadow falls on the moon |
| maria | dark colors on the moon that are like water |
| impact basin | a hollow crater left on the surface of the moon by asteroids |
Created by:
EDD7994
Popular Physical Science sets