G8 - Unit 12 - Life on other planets

A person who leads a group, especially in the military or on a spaceship?

• commander
• alien
• creature
• rocket

A very large system of stars, planets, and dust in space?

• promising
• galaxy
• creature
• telescope

The force that pulls objects toward a planet or star?

• rocket
• telescope
• gravity

A machine used to travel into space?

• telescope
• oppose
• promising
• rocket

A tool you look through to see things far away in space?

• telescope
• oppose
• promising
• rocket

The chance that something might happen?

• creature
• possibility
• trace
• life

If a planet is habitable, it means:

• It’s too cold for life.
• It can support life.
• It is made of gas only.

A scientist found the idea very promising. What does “promising” mean?

• It seems likely to succeed.
• It is impossible.
• It is very dangerous.

Which word means to be against something or disagree?

• oppose
• carry out
• figure out

The scientist worked hard to ___________ the experiment successfully.

• carry out
• break down