Impact-3 Review Unit 6

Polar caps are v_________ areas covered with ice.

Astronauts need to have a strong b__________ in maths and science.

One of the re____________ for being an astronaut is having good eyesight.

The ______ on Mars is red. I wonder why.

In my country, the ________ in which you can see the night sky most clearly is winter.

Mars and Earth are very similar in many a_________ .

My cousin studied as_________ and now he works as a researcher.

Correct: I have travelled the further of all the members of my family. I went to Taiwan last year.

I can’t do maths as better as my best friend.

With a good telescope, you can ________ Saturn on a clear night.

Space programmes need a lot of money, so missions can’t happen often. HAD Missions would happen more often _________________________ more money.

I would love to get the c__________ to go to NASA Space Camp.

New technologies will l__________ to more discoveries on Mars.

I can’t see Mars because my telescope isn’t good enough. BETTER I would be able to see Mars if _________________________ .

Scientists are looking for real p__________ that life is possible on Mars.

What fundamental questions do scientists want to answer by exploring space? could / we / space / explored / if / more, / we

Both Earth and Mars tilt on their axes at an angle of about 24 d__________ .

Correct: I spend my money more carefully as I can.

If you want to work for NASA you need to show you have good __________ .

S_________ images can help us understand the behaviour of the atmosphere.

We believed Pluto was a planet because we hadn’t explored enough. DISCOVERED If we had explored more, we _________________________ Pluto wasn’t a planet.

We learnt a lot about weather system when we started researching space. MIGHT If we hadn’t researched space, we _________________________ much about weather.

Correct: I sleep better during the week that at the weekend.

Correct: I think I eat so healthily as an astronaut.

What scientific tasks do you think the instruments on the Mars rover perform? quicker / were / than / they / at / humans

Correct: I do my homework as accurate as possible.

What is atmosphere and why is it necessary for human life? didn’t / if / have / we

Scientists once believed that for a world to be habitable, it had to be the right distance from the sun. WASN’T It was thought that a world couldn’t be habitable _________________________ the right distance from the sun.

They only developed rovers because the government decided to invest money. NOT They _________________________ if the government hadn’t decided to invest money.