hello, earthman!

Hello, Earthman!

What do you know about earth

Earth factsGalaxy: Milky WayStar System: SunPlanet Type: TerrestrialSize: MediumSatellite: 1 (Moon)Nickname: The Blue PlanetNotes:

The only planet in the solar system that could support life.

Earth Movement

RotationThe spinning of the

Earth on its own axis

AXIS - an imaginary line

that runs through the North and South poles

Rotation

AXIS

Observe the direction of the spin.

Rotation

WEST

NORTH

EAST

SOUTH

Rotation

Earth is tilted on its axis at 23 ½ degrees

AXIS

:Check

Which part of the Earth gets the most sunlight?

What countries are these?

Review

• Rotation is the spinning of the Earth on its axis

• 1 complete rotation = 1 Earth day

• Earth rotates from WEST to EAST or counterclockwise

• Earth is tilted at 23 ½ degrees

Revolution

The movement of a planet around the Sun in a path called an orbit.

ORBIT

Revolution OLD STYLE

Geocentric – Earth as center of the system

Revolution

Earth around the Sun

Earth’s revolution causes change in

season.

Revolution

Seasons

SPRING

FALL

WINTER

SUNSUMMER

:Check

Why is it colder during the month of December?

And why is it hot during April?

Why does it not snow here?

Review

• Revolution is a planet’s movement around the Sun

• Orbit is the path followed by a planet• 1 rev. = 1 Earth year = 354 ¼ days• Earth revolves counterclockwise• Revolution causes change in season

Earthman,Signing Off…

The End