Earth
This causes the Earth's seasons.
The tilt of the Earth
One complete trip around the Sun. For Earth, one of me is a year.
Force of attraction, or pull, between two objects. I increase as the mass of the objects increases.
Gravity
Earth spins on its ______________.
Axis
The sun sets in this direction.
West
The tendency of a moving object to keep moving in a straight line.
Inertia
The hemisphere tilted away from the Sun has ___________.
Winter
The Earth takes this long to revolve around the sun.
365 1/4 days
The sun rises in this direction.
East
The spinning of Earth around its axis, which causes day and night.
Rotation
The strength of the pull of gravity depends on
A. speed and distance
B. mass and distance
C. mass and speed
D. speed and inertia
B. mass and distance
The shape of the Earth
Sphere
The sun appears higher in the sky during this time of year because of the tilt of the earth.
Summer
The path that one object, such as a planet, takes as it moves around another object.
Orbit
Temperatures are warmer at this time of year because the Sun's heat strikes at a direct angle and is ____________.
Concentrated
The word "solar" refers to this object.
Sun
The shape of a planet's orbit.
Ellipse
Half of Earth faces the Sun and has ____________, while the other half faces away from the Sun and has _________.
Day/Night