Max discovered a beaker full of transparent liquid in the science lab. he hypothesized that since the liquid is transparent like water, it is water. he shared this conclusion with his friends. his friends questioned his conclusion, but max had no evidence to back his thoughts. what step did max miss in his scientific methods?

Laboratory experiments, observational field studies, and model-building are all examples of different forms of scientific investigations.  in what way do laboratory experiments primarily differ from other forms of scientific investigations?   a.  a laboratory experiment is the only accepted form of investigation within the scientific community.  b.  studies about how things behave in nature or studies involving very large objects are best answered through laboratory experiments.  c.  laboratory experiments involve the identification and control of variables.  d.  data can only be generated through laboratory experiments, not other forms of investigation.

Phase changes are chemical changes. true or false

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge