Activity for Robin‭

Type	On...	Excerpt	Status	Date
Answer	—	A: Ways to desalinate water when "lost at sea"? You can place an empty cup in the middle of a lightly filled bucket of sea water. You then place a plastic bag over the bucket, with a stone in the middle so it has a dip in it over the cup. The sea water evaporates, reforms on the plastic bag (without any salt in it) and then drips into the cup. S... (more)	—	about 6 years ago