| A | B |
|---|
| new moon | the sunlit side faces away from Earth |
| waxing crescent | the side of the moon facing us shows a lit crescent on the right side |
| waning crescent | the side of the moon facing us shows a lit crescent on the left side. |
| full moon | the entire sunlit side faces Earth |
| third quarter | we see half the side facing us lit on the left side |
| first quarter | we see half of side facing us lit on the right side |
| waxing gibbous | the side facing us is almost completely lit on right side |
| waning gibbous | the side of the moon facing us is almost completley lit on the left side. |
| lunar eclipse | the Earth blocks sunight from reaching the moon |
| solar eclipse | the moon passes directly between Earth and the sun, blocking sunlight from Earth. |
| total lunar eclipse | When the moon is in Earth's umbra |
| partial lunar eclipse | when the moon passes partly into the umbra of Earth's shadow. |
| total solar eclipse | light from the sun is completely blocked by the moon. |
| partial solar eclipse | part of the sun is visible from Earth. |
| spring tide | when Earth, the sun, and the moon are in straight line this tide occurs |
| neap tide | when the moon is at a right angle to the sun, this tide occurs |
| What causes tides? | the differences in how much the moon's gravity pulls on different parts of Earth. |
