ROTATION OR REVOLUTION

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

completed in a year

We don’t feel the earth spin because it spins smoothly, never changing pace.

completed in 24 hours

The earth orbits around the sun.

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

As the earth orbits, the part of the earth tilted toward the sun is having spring and summer.

The seasons change as the earth orbits around the sun.

The earth spins on its axis.

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

Places near the equator (the center of the earth) don’t have much change in season because those places are always close to the sun.

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

As the earth orbits, the part of the earth tilted away from the sun is having fall and winter.

Sunrise happens as we begin to turn toward the sun.

Sunset happens as we begin to turn away from the sun.

Each season lasts about 3 months.