29.3 Flashcards
Tide
Rise or fall in the ocean surface
Moon phase
Reflects the change in appearance of the moon
Solar Eclipse
The moon moves directly between the sun and earth and cast a shadow on earth
Lunar eclipse
When earth passed between the sun and the moon and casts a shadow on the moon.
Maria
The dark colored flat lava filled regions on the moons surface.
Regolith
The layer of dusty lunar material produced by collisions between asteroids and comets and the Moon.
How many days does it take the moon to revolve around the Earth?
27.3 days
A complete lunar phase cycle takes 29.5 days, what is this called?
Synodic month
Do we ever see the back side of the moon?
No
What causes a ride to rise or fall?
The gravitational pulls of the sun and the moon
What is the rise of the sea called?
High tide
After the sea level rises how many hours does it take for the seal level to drop?
6 hours
Which is farther from Earth, and the sun or the moon?
Sun
Does the moon or the sun cause a greater effect on Earths tides?
Moon
How are the sun, the Earth and the moon aligned for the spring tide
The sun the earth and the moon are in a straight line.