. corner? Hung: Well, they might be gemstones. There may be a lot of precious stones on Mars b) Discussion: What may there be on Mars / on the Mercury/ on the Moon? HOMEWORK: Learn by heart the. minerals microorganism plants gemstones little creatures water mountains gas 1 2 3 4 5 6 7 a) What’s this? This may be …………………… .on Mars. gas There might be water on Mars Well, they might be gemstones. There. may be a lot of precious stones on Mars Nam: What do these drawings say, Hung? Hung: There might be water on Mars. Nam: And what about those black sparkling spots on the right corner? Hung: