Unit 6 Earth and Space

To turn about an axis. Turns like a top.

• round

• rotate

• reverse

The imaginary line around which Earth rotates.

• axis

• rotate

• spiral

Path that an object takes around another object in space.

• galaxy

• road

• orbit

Group of stars that seems to form a picture in the night sky.

• constellation

• galaxy

• moon phases

A change in the appearance of the moon's shape as it orbits Earth.

• orbit

• moon phases

• axis

A star and all the planets and other objects that revolve around it.

• constellation

• solar system

• galaxy

Large round body that revolves around a star in a clear orbit.

• axis

• moon

• planet

An object that moves around another larger object in space.

• satellite

• axis

• Earth

Moon's characteristics:

• rocky surface, revolve around Earth & has no air

• large green areas, a large supply of liquid water & visible life

• smallest planet, craters & deep scars

Earth's characteristics:

• craters, no air & has thousands of rings

• farthest from the sun & atmosphere looks blue

• large green areas, has air and water & visible life