Hurumanu 3 - Science Questions

Yesterday we started term 3, and we started Science life on Mars. We watched a video at the start of the period, the video was about Chris Hadfield, Chris Hadfield is a Canadian astronaut, he was talking about when he went to Mars. After we read an article called "Becoming A Martian," after we have to answer 5 questions on our blog. 

Questions:

1. When can a mission from Mars (or from Mars) happen? Why?

    Any mission to Mars can only leave earth - or return from Mars - every twenty-six months. When the          two planets are at the closest point in their orbits.

2. What are two geological features of Mars?

    Mars is known as the red planet because of its colour (caused by large amounts of iron oxide.) Other        features include polar ice caps, Olympus Mons (the largest volcano in the solar system.)

3. What is one possible solution from the story about oxygen on Mars? 

    Carbon dioxide (CO2) is made up of both carbon and oxygen.

4. If it doesn't rain on Mars, where does water come from?

    The water comes from ice, if you dig down on Mars you will find ice which is water.

5. How will people get food on Mars? What is a possible solution?

    If settlers brought their own food, it would need to last twenty-six months until the next supply rocket.

    On earth, we already have a way to grow crops without soil, its called Hydroponics