Our Earth

The only planet that supports life.

• Pluto

• Mars

• Earth

• Mercury

Even though it is not closest to the sun, this planet is the hottest in the solar system.

• Venus

• Pluto

• Uranus

• Jupiter

Water can exist on Earth as...

• solid ice

• liquid water

• the gas water vapor

• All of above

Oceans are

• Freshwater

• Saltwater

Rivers are

• Freshwater

• Saltwater

Lakes are

• Freshwater

• Saltwater

What causes day and night?

• The sun's ROTATION

• The tilt of the earth on its axis

• The earth's ROTATION on its axis every 24 hours

What is a REVOLUTION?

• When one object orbits around another object

• When one object rotates in place on an axis

• When two objects spin around each other

What is a ROTATION?

• When one object orbits around another object.

• When one object spins around on its axis

• When two objects move around each other

How long does it take Earth to make one REVOLUTION AROUND the Sun?

• 24 hours (one day)

• 365 days (one year)

• 11 days