Impact - Unit 6 New Frontiers

The Veil Nebula in this picture means:

• The remains of a star after a explotion

• A huge cloud floating in the space.

• Particles of light and dust disappearing

• A star that is just born.

Actually, our home planet and Mars are similar in many aspects, They have things in common, except :

• Polar caps

• An atmosphere with storms

• Mars is closer to the sun

• Plains and volcanoes

All the sentences confirm that Mars is a planet of wild extremes, except :

• Mars has the longest valleys

• Mars has snowed mountains with primary plants

• Mars has the largest dust storms

• Mars has high volcanoes

In which of the sentences the speaker speculates :

• Hi-tech equipped robots on Mars surface is a fact

• It's evident that ice- covered areas in Mars are called polar caps.

• I would say that planets like Mars are incredible to settle in

• Nasa´s specialists have proved that life will grow in the red planet.

One of people's sayings is not a speculating sentence.

• Actually, the rocks on Mars´ surface are from ancient times.

• I´d dare to say that Curiosity´s photos don't confirm there is life in there.

• I´ll bet to confirm that Green Martians are hidden in Mars elsewhere

• What if Curiosity Rover discovers living creature on Mars ?

Which one of Tom´s arguments is not right to express a condition.

• Tom: It would be great to land on that planet. It´s like having a dream. " Scientists say "

• Tom: We will visit Saturn´s moons unless we visit the space station

• Tom: If there were life in Mars, we would travel very soon.

• Tom: The Curiosity Rover will send footage when it lands on Mars surface.

Air would be cleaner if people ________ ________ the cars.

• Will use

• Weren´t used

• Use less

• Used less

The tilt of a planet permits :

• That waves get high in the oceans

• That seasons change every three months

• That the water sources be conserved

• That the planet spins on its own axis

If people _________ the right information about the outer space phenomena. They __________ the truth about the origin of our planet.

• Had - would know

• Knew - would like

• Told - would study

• Have - would tell

What makes the seasons change for either the Earth and Mars?

• A slight 24° degrees of inclination.

• The hottest days ´n the coldest nights

• Strong winds and the sand storms.

• Craters, valleys and high volcanoes.