Social UNIT 1: The Universe

Closest start to the Earth

• The Moon

• Milky Way

• The Sun

• Venus

Groups of starts that form patterns in the sky

• Galaxies

• Constellations

• systems

• Asteroid belt

Group of starts, planets, gas, dust and rocks

Our galaxy is called

The Milky Way, according to its shape is a

• Spiral galaxy

• Elliptical galaxy

• Irregular galaxy

Mercury, Venus, Earth and Mars are

• inner planets

• outer planets

Jupiter, Saturn, Uranus and Neptune are

• Rocky planets

• Gaseous planets

Moons that orbit planets are called

• Comets

• Asteroids

• Satellites

• Dwarf planets

The Earth continually rotates on its axis. Name of the movement

This movement causes the four seasons

• Rotation

• Revolution