Earth & Space Revision

Astronomy is....

• the study of geography.

• the study of stars.

• the study of the universe and everything in it.

• the study of comets.

How long ago was the Big Bang?

• 14 million years ago

• 14 thousand years ago

• 14 trillion years ago

• 14 billion years ago

Tick all that apply:

The first elements formed were:

• Hydrogen

• Helium

• Gold

• Lithium

Tick all that apply:

Evidence of the Big Bang....

• 'cosmic background radiation' was discovered

• it was discovered that the universe is not expanding

• nuclear radiation was discovered

• Edwin Hubble & Vesto Slipher discovered the universe is still expanding

What is a celestial body?

• Any unnatural body outside the Earth's atmosphere

• Any natural body outside of the Earth's atmosphere

• Any natural body of the Sun's atmosphere

Finish the list:

The 5 types of celestial bodies are moons, planets, stars....

• comets

• rockets

• asteroids

• Satellites

• rocks

True or False

Stars generate their own light & heat

• True

• False

Tick all that are true about Moons

• It is luminous

• It is a natural satellite of a planet

• Orbits a planet

• It is not luminous

I am a small rocky body.

I am smaller than a planet.

I am not luminous.

What am I?

• Moon

• Star

• Asteroid

• Planet

I am made of ice & dust.

I orbit stars.

I have a tail.

What am I?

• Asteroid

• Moon

• Star

• Comet