Quiz · Robot Rovers on Mars

Question 1What is the talk mainly about in this passage?

Robot rovers that explore Mars and search for signs of water How people will live on Mars in the future Why Mars is the closest planet to the Sun How scientists build rockets for Mars

Question 2Why does the planet Mars look red to us?

Because of its hot deserts Because it is close to the Sun Because of the dust on its surface Because of its many volcanoes

Question 3Why do the rovers look carefully for signs of water?

Because people need water to build houses Because where there is water, there might also be some life Because water makes the rockets fly faster Because water will make Mars look blue