Use the triboelectric series to determine which of the following materials will develop a positive charge when rubbed with wool.

aluminum can
paper cup
pvc pipe
glass jar

Which statement best describes the function of enzymes?

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?

What are the two basic types of satellites