Project #8850 - no title just science

A student uses a hot plate a thermometer and a stopwatch to investigate the rate at which a metal object condutcs heat. To ensure the most reliable results which of the following should the student do?

A.perform a second investigation using different tools

b.use several thermometers to measure temperature

c.develop a hypothesis before starting the investigation

d.repeat the entire investigation several times

Subject Science
Due By (Pacific Time) 7/9/2012
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