Question:
Use evidence from the fact that calculating speed requires knowing distance travelled to answer the following question. "We can calculate a speed if we know a number of"

Answer:
millimeters

Question:
Use evidence from the fact that vibrating matter can produce sound to answer the following question. "A rod that is wobbling from being struck with a stick will"

Answer:
be audible

Question:
Use evidence from the fact that a candle is a source of light when it is burned to answer the following question. "John was able to read at night even though the electricity had gone out. John was using"

Answer:
an item made from a petroleum product with a cord sticking out the top