UNIT 5 Social science. The Universe

The Universe is made up of ....

• solar systems

• galaxies

• planets

• stars

A constellation is a group of ....

• planets

• asteroids

• stars

• dwarf planets

Tick the characteristics of the stars.

• colour

• brightness

• size

• weight

The Sun is a .......

• planet

• asteroid

• star

• comet

A galaxy is a collection of .......

• stars, dust and gas.

• sun, planets and gas.

The Milky Way is a .....

• planet

• galaxy

• universe

• asteroid belt

Choose the celestial bodies that orbit around the Sun:

• planets

• comets

• dwarf planets

• asteroids

A ........... is a meteor that has hit the Earth´s surface.

• meteoroid

• meteorite

Choose the dwarf planet:

• Venus

• Mars

• Pluto

• Earth

The geosphere has three layers: the core, the mantle and the .......