The Sun, the Earth and the Moon

The Sun is a medium-sized ___ that lies at the centre of the Solar System.

• planet

• rock

• star

• meteor

The correct order of eight planets from the Sun is ___.

• Mercury - Venus - Earth - Mars - Neptune - Jupiter - Uranus - Saturn

• Mercury - Venus - Earth - Mars - Neptune - Jupiter - Saturn - Uranus

• Mercury - Venus - Earth - Mars - Neptune - Saturn- Uranus - Jupiter

• Mercury - Venus - Earth - Mars - Jupiter - Saturn - Uranus - Neptune

It is estimated that the Solar System was formed almost ___ ago.

• five billion years

• five million years

• five hundred years

• five thousand years

The Sun produces its own heat and light through a process called ___.

• photosynthesis

• metamorphosis

• atomic kitten

• nuclear fusion

Plants use light from the Sun to ___.

• bear fruit

• make food

• grow flower

• get water

___ from the Sun keeps living things warm.

• Vitamin

• Light

• Wind

• Heat

In the Solar System, eight planets move around the Sun along the paths called ___.

• sidewalks

• pavements

• orbits

• corridors

The ___ is the third planet from the Sun, it is often referred to as the third rock from the Sun.

• Earth

• Mars

• Mercury

• Venus

It takes about ___ days or a year for the Earth to make one complete revolution around the Sun.

• 536

• 635

• 356

• 365

The ___ is a natural satellite of the Earth.

• atmosphere

• star

• Sun

• Moon