OUR UNIVERSE

A galaxy is a large group of _____________

• planets

• moons

• stars

• satellites

The ____________ lies at the centre of the solar system.

• earth

• sun

• star

• moon

There are ______________ planets in the solar system.

• nine

• eight

• seven

• ten

A planet's movement on its axis is _________

• Rotation

• Revolution

• Satellite

• Big Bang

The _____________ theory says that the universe was created in a huge explosion many years ago.

• Solar System

• Revolution

• Big Bang

• Satellite

The earth is the ____________ planet from the sun.

• first

• second

• third

• fourth

____________ are large balls of hot, burning gases.

• Planets

• Particles

• Moons

• Stars

The earth has only one satellite, the _________, which shines in the sky at night.

• star

• planet

• moon

• satellite

We cannot see stars during the day.

• True

• False

We live on this planet.

• Mars

• Venus

• Earth