6. Take a piece of Steel or Iron and magnetize it. Check it for its magnetization. Now demagnetize it and check it for its demagnetization. How did you do that?

Explain your experience with your observations. Draw the diagrams if necessary. plz tell observations for it...

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.

Determine the fraction of the magnitude of kinetic energy lost by a neutron (m1 = 1.01 u) when it collides head-on and elastically with a target particle at rest which is 21h (heavy hydrogen, m = 2.01 u).

The dot diagram represents the motion of the motorcycle as it moves from left to right