Geological time

How old is the universe (Big Bang) ?

• 140 billion years

• 14 billion years

• 14 million years

How old is the solar system (age of our sun) ?

• 500 million years

• 1 billion years

• 4.6 billion years

How old is the earth ?

• 4.5 billion years

• 45 billion years

• 450 million years

How old have the two parts of Ireland been together ?

• 4.2 billion years

• 1.6 billion years

• 420 million years

When did the Ice Age end ?

• 1 million years ago

• 100 000 years ago

• 11 200 years ago

When did humans first colonise Ireland ?

• 1 million years ago

• 100 000 years ago

• 10 000 years ago