What kind of substance has particles that are close together, but can change
shape depending on its container?
a. plasma
o b. gas
o c. liquid
o d. solid
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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.

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

What is the measurement of how fast an object moves relative to a reference point?