Xfactor_Xtreme_Unit 3

If humans hadn’t decided to explore space, we ____________ rovers on Mars today.

Choose the correct answer to fill in the blank:

• will have

• don't have

• would have

• wouldn't have

If the Space Race __________, we might not have satellites, space probes and telescopes.

Choose the correct answer to fill in the blank:

• had happened

• hadn't happened

• was happening

• will happen

What is the man doing?

• Working something out.

• Calling something off.

• Solving something.

• Looking into something.

What just happened to the scientist?

• She is investigating something.

• She picked something out.

• She selected something.

• She found something out.

How can you describe the picture?

• A capable view.

• A feasible view.

• An incredible view.

• An impossible view .

How can you describe the woman?

• She’s manageable.

• She's capable.

• She's impossible.

• She's feasible.

How can you describe what’s happening in the image?

• It’s feasible manageable

• It’s feasible

• It’s doable

• It’s impossible

An _________ is the path that is taken by an object moving around a larger object in space.

Choose the correct answer to fill in the blank:

• orbit

• satellite

• rocket

• telescope

A _________ is an object that is sent into space to travel around the Earth in order to receive and send information.

Choose the correct answer to fill in the blank:

• space probe

• telescope

• satellite

• rover

A _________ is a very large round object that moves around the Sun or another star.

Choose the correct answer to fill in the blank:

• satellite

• asteroid

• moon

• planet