Inertia (n)

Here is a context clues worksheet on the noun inertia. It means, of course, “a property of matter by which it remains at rest or in uniform motion in the same straight line unless acted upon by some external force,” “an analogous property of other physical quantities (as electricity),” and  “indisposition to motion, exertion, or change.” This might be useful material for you physics teachers out there.

And, as long as I am here and at it, here is another context clues worksheet on the adjective inert. It means “lacking the power to move,” “very slow to move or act, sluggish,” and, for you science teachers, “deficient in active properties; especially: lacking a usual or anticipated chemical or biological action.”

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