How do you perform an energy transformation between a hot source and a cold source with the materials candles and an ice cube?
Well, in science fair the Materials are the items you use to perform your experiment. Many get confused but it doesn't include your poster board, a pencil, or paper. The procedures are step by step directions of exactly how you performed your experiment. The relationship is that you use materials to perform your procedures. Often times you may be told how to use the materials in the procedures. Does that help?
What is the strategy of paying suppliers and distributors to perform certain business processes or to provide needed materials or services?
Why do Jewish women traditionally cover their eyes before reciting the blessing over the sabbath candles?
We hold our hands between us and the candles so that we do not directly view the flames while reciting the bracha (blessing). The reason for this is a bit convoluted. Normally, we say the bracha before we perform the act. However, once the bracha over the candles is recited, Shabbat has started and once Shabbat starts we cannot light candles. So, to get around this conundrum, we light the candles then block the flames…