Solar System

Revolution

The orbit of an object around another object

Rotation

Is the spin of an object around another object

Equinax

Occurs when Earth’s rotation axis is tilted near or away from the sun.

Solstice

When the Earth's rotation axis is tilted directly toward or away from the sun

Waxing

As the lit portion of the moon becomes larger, the moon is waxing

Waning

As the lit portions of the moon becomes smaller the moon is waning

Tide

Are the periodiciris and fall of the ocean’s surfaces caused by the gravitational force between Earth and the moon and sun.

Eclipse

Is the movement of one solar system object into the shadow of another object

Geocentric

Old thinking that Earth was in middle of universe.

Heliocentric

Sun is center we move around the sun.

Eclipital

Orbit around the sun with Earth

Austronauicul unit AU

150 Million Kilometers

Revolution

The earth orbits around the sun

Rotation

When one side of the world is having daytime the other nighttime

Revolution

The seasons change as the earth orbits around the sun

Rotation

The sun appears to rise in the east and set in the west.

Revolution

Complete year or 365.25 days

Rotation

The earth spins on its axis

Revolution

The sun appears higher in the sky during the summer because we are tilted closer to the sun.

Rotation

The earth spins at a constant speed always in the same speed and same direction

Revolution

As the earth orbits the part of the earth tilted toward the sun is have spring and summer

Rotation

Complete 24 hours

Revolution

Each seasons lasts about 3 months.

Rotation 

Sunset happens when we begin to turn away from the sun

Revolution

As the earth is tilted away from the sun is fall and winter

Rotation

we don’t feel the earth spin because it spins smoothly never changing direction.

Revolution

Places near the equator don’t have much change in season because those places are always close to the sun

Rotation

Sunrise happens as we begin to turn toward the sun