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 .....

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