How Does Earth Move?
__________ keeps Earth in its orbit around the sun
gravity
Because the sun is so ________ it's gravity pulls all the planets toward it.
massive
Why does it appear that the sun and stars move across the sky?
Because Earth is spinning
northern end of the Earth's axis
North Pole
southern end of the Earth's axis
South Pole
axis
an imaginary line around which an object spins
The sun is the _________ of our solar system
center
The amount of sunlight an area receives affects its _______ and ________
climate and seasons
one full rotation is a
day
the moon moves in an _______ orbit around the Earth
eliptical
the shape of Earth's orbit is
eliptical
rotation
one wholde spin of an object on its axis
Along with rotating, Earth moves by following a path around the sun called an
orbit
one full orbit of an object around another object is called a
revolution
Seasons change as Earth's axis tilts either toward or away from the
sun
Earth's tilt affects how much ________ parts of Earth receive
sunlight
When the North Pole is tilted away from the sun....
temperatures drop and it is winter
When the South Pole is tilted toward the sun....
temperatures rise and it is summer
Earth always _______ the same way during its revolution
tilts
Earth rotates from
west to east