Fill in the numbered blank spaces with the appropriate word or phrase.
a substance that goes through phase change starts as a solid. as it is heated, the substance exists as a
1 . when the substance is completely melted, its temperature will increase until it reaches the 2
point. after the substance has finished boiling, it will exist as a

To find the work done, the force exerted and distance moved are multiplied. a couch is moved twice before you are happy with its placement. the same force was used to move the couch both times. if more work is done the first time it is moved, what do you know about the distance it was moved? a) when more work was done, the couch was moved the same distance. b) when more work was done, the couch was moved less. c) when more work was done, the couch was moved further. d) when more work was done, the couch wasn't moved at all.