Think 4 U11

What is the mystery that the text talks about?

• The existence of life on other planets.

• The construction of the pyramids.

• The technology involved in building the pyramids.

• The possibility of aliens visiting Earth.

What do some people believe about aliens?

• They have already visited Earth.

• They are not friendly.

• They are simple life forms.

• They cannot exist.

Who believes that other forms of life are almost certain to be 'out there'?

• Lord Rees

• Christopher Columbus

• Stephen Hawking

• Native Americans

What does Hawking suggest we should do about aliens?

• Try to find them.

• Do everything we can to hide from them.

• Make contact with them.

• Send rockets outside of our solar system.

Why does Hawking think we should be worried about aliens?

• Because they might not come in peace.

• Because they might not exist.

• Because they might be too complicated for us to understand.

• Because they might not have better weapons than us.

What does Hawking think about the possibility of other life forms being dangerous?

• He thinks it's unlikely.

• He thinks it's possible.

• He thinks it's certain.

• He doesn't mention it.

What does Hawking think about the technology of aliens?

• They don't have the technology to travel to Earth.

• They have the same technology as us.

• They have better technology than us.

• They have worse technology than us.

What does Hawking warn about trying to make contact with other life forms?

• It might be too risky.

• It might be too complicated.

• It might be impossible.

• It might be unnecessary.

Who else believes in intelligent life from outer space?

• Lord Rees

• Christopher Columbus

• Native Americans

• No one else

What does the text suggest we should do about the possibility of aliens?

• Keep sending radio signals into space.

• Try to make contact with them.

• Pretend that we are alone in the universe.

• Build better weapons than them.