Here is the last two clues out of the crossword
this goes back to its original shape after being streched that is why its used in force meters. its 5 letters and the last letter is n

this force makes an object float in water. its 8 letters and the 5th letter is r

The gulf stream is a warm water current that flows away from the equator to northern europe. witch of these does it cause. a. crashes of warm and cool water in the ocean b.colder climates near the equator c.large waves on the cost of europe d.warm climates in northern europe