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I3 U6 V G1 G2

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  • Something you must have, or something that must be done.
    requirement
  • Tiny particles of soil and other substances that can fill the air.
    dust
  • An improvement or a move that makes something better than before.
    advance
  • Evidence that something is true or that it exists.
    proof
  • A person who studies stars and other bodies in the universe.
    astronomer
  • The mixture of gases that surround a planet.
    atmosphere
  • A ____ part of something is the most important part.
    fundamental
  • If I (be) you, I (wear) local brands.
    If I were you, I would wear local brands.
  • Astronauts eat (healthy) than I do.
    Astronauts eat more healthily than I do.
  • Al the features of land, like mountains, hills, valleys, plains.
    landscape
  • A large, flat area of land.
    plain
  • If I (be) a millionaire, I (go travelling).
    If I were a millionaire, I would go travelling.
  • Scientists can drive a rover in space (easily) a car on Earth.
    Scientists can drive a rover in space more easily than a car on Earth.
  • Voyager 1 and 2 have travelled (far) in the solar system.
    Voyager 1 and 2 have travelled the furthest in the solar system.
  • When you provide someone or something with necessary tools, you ____ them ____ those things.
    equip with
  • If there (be) tours into space, I (visit) Pluto.
    If there were tours into space, I would visit Pluto.
  • The space between two mountains that often has a river in it.
    valley
  • If I (know) you were coming to the city, I (hang out) with you.
    If I had known you were coming to the city, I would have hanged out with you.
  • Do dust storms happen on Mars (seasonal) hurricanes on Earth?
    Do dust storms happen on Mars as seasonally as hurricanes on Earth?
  • Very large.
    vast
  • A tool used to do some job such as measuring, detecting, marking or recording.
    instrument
  • If I (know) there was a concert yesterday, I (go).
    If I had known there was a concert yesterday, I would have gone.
  • A machine sent into outer space to move around a planet or moon in order to get information about it.
    satellite
  • A unit of measurement used to measure angles and temperatures.
    degree
  • If one thing ____s to another thing, the first thing is the reason that the second thing can happen.
    lead to
  • When you ____ something, you notice that it is there.
    detect
  • A part of something or a quality that you can identify in it.
    aspect
  • If you ____ about something, you are curious about it and want to know more.
    wonder
  • New Horizons has taken (amazingly) detailed photos of Pluto.
    New Horizons has taken the most amazingly detailed photos of Pluto.
  • They (fix) the rover if they (equip) it with better tools.
    They could have fixed the rover if they had equipped it with better tools.
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