Test each object in the collection by placing it between the two wires. Touch each end with a wire. Record your results in a chart like this one. That is exactly how a scientist works. Everything is tested the same way.
Every test is recorded the same way.
He had a new idea. He thought that if an object touches something electrified, the object will become electrified. He was right. He was studying what he called conductors and insulato rs. In 1873, two Canadians called Henry Woodward and Matthews Evans invented the light bulb in Toronto.