YEAR 5 - UNIT 1 - UNIVERSE

The universe is

Comets are ........................ objects composed of ice, dust and rock that travel space

The Big Bang was a big ..... that originated the universe

Stars are extremely hot ................... of gas and fire.

Huge celestial bodies formed of rock and gas that orbit stars are called .......

Rocky objects that orbit a planet are called

Solar systems are composed of a sun and the ........................ and moons that orbit around it

A huge group of stars, gas, planets, dust and rocks is called

What's the name of our galaxy?

Big Bang ocurred

• 15 billion years ago

• yesterday

• 15 million years ago

• 15 years ago