Options:
1). break;
2). cycles;
3). disappear;
4). bend;
5). behave;
6). Rise;
7). energy;
8). turn;
Given those answer options, answer the question: Fact 1: Completing a circuit causes electricity to flow through that circuit. Fact 2: Electricity flows through an electric motor in a fan, causing the fan's blades to turn. Given the two facts above, completing a circuit causes fan's blades to what?
A:
8).