The table below describes some features of methods used to generate electricity. Name method 4.

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.

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

As the distance from a magnet increases, what happens to the magnet force?