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Chemistry, 28.07.2019 10:30 pg67891012345
Physical science exam 1) a scientist carries out an experiment. how could she other scientists judge the validity of her results? a. use confusing language in her report b. let other scientists closely review her work c. prevent others from seeing her data d. keep her experimental procedure a secret 2) which type of graph is best used to show the amount of product formed under different reaction conditions? a. box and whisker plot b. circle graph c. bar graph d. scatter plot 3) how are chemical and physical changes different on a molecular level? a. chemical changes involve the breaking of bonds in molecules. b. chemical changes do not affect bonding between atoms. c. physical changes do not involve molecules. d. physical changes cause new molecules to form.
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Physical science exam 1) a scientist carries out an experiment. how could she other scientists jud...
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