A place for people to vote can be called a polling station, therefore, polls are part of elections. I wouldn't say that they actually conduct elections, however. People do that, not polling stations.
Political parties pay to have polls conducted prior to elections to gauge the electorate's take on various policies being offered by the competing parties and to see where they stand in terms of voter support.
yes
When the polls have been closed and the Electoral votes are cast.
pollsters
The power to conduct elections was left to the states. Each state oversees the federal elections within its borders.
in one week
Scottish elections are when registered voters go to the polls and cast a vote to elect, by majority vote, a member to the Scottish Parliament.
The polls open in New Jersey at 6:00 AM for the November 4th, 2008 elections. Also see: http://www.nj.com/elections/index.ssf/2008/11/polls_open_tomorrow_at_6_am_fo.html
the ballot
Conduct Elections :)
When polls are taken, they tend to predict the outcome of political elections.
The basic unit for the conduct of elections is the ballot. This is the most important because itâ??s the basic need in conducting an election.