Earth, Sun, Moon Flashcards
The Moon is a natural ________ of the Earth.
satellite
How long does the Moons orbit last?
27 days
——The Moons gravity is ____ of the Earths.
1/6
What causes the phases of the Moon?
the changing positions of the Earth, the Moon, and the Sun (including the Earth and Moons revolution)
Does the Moon emit it’s own light?
No it reflects the Suns.
——-True or False 1/2 of the Moon is always lit by the Sun
True
Why do we only ever see the same side of the Moon?
Rotates and revolves at the same rate so we only ever see the same side.
The Moons gravity causes what?
The rise and fall of the oceans tides.
Earth is the largest ______ planet.
inner
What is the degree of Earths tilt.
23.5 degrees
How long is Earths revolution and rotation.
Revolution: 365 and 1/4 days Rotation: 24 hours
What does Earths rotation cause?
day & night
What does Earth’s tilt + revolution cause
seasons
The sun is a _________ sized star.
medium
What is the sun mostly made of?
hydrogen and helium
