Filling in the gaps, working with vocabulary; discussion the questions after watching

How will human society change if it expands to new planets?

Why are scientists so interested in Mars?

Do you think it’s possible that one day, many people will live on Mars?

Considering all of the funds spent on each mission (estimated $1.3-$1.5 billion per mission according to Forbes and $450 million per launch according to NASA), is it worth all of the money spent?

BBC video about NASA Mars 2020 programme:: First aircraft to fly on another planet

NASA Mars 2020 - First Aircraft To Fly To Another Planet

nasa-mars-2020-first-aircraft-to-fly-to-another-planet

Let's do English ESL general vocabulary practice. Filling in the gaps, working with vocabulary; discussion the questions after watching