Quiz · The Search for Water on Mars

Question 1What is the talk mainly about regarding the planet Mars?

How robots are built to survive the cold Why Mars is too cold for human visitors The history of dried rivers on Earth The search for water and possible life on Mars

Question 2What have robots found under the red dust on Mars?

Large amounts of hidden ice Ancient microscopic living things Deep valleys full of warm water Rock samples from old river beds

Question 3Why do scientists want to bring rock samples from Mars back to Earth?

To melt the ice inside them for water To study them for signs of ancient microscopic life To prove that rivers still flow on Mars To test new spacecraft before the next trip