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M4.3.14

Calculates the perimeter and area of rectangles.

Why is Summer Hot?

It is quite common for people to believe that summer is warmer than winter,
basing the explanation on the belief that Earth is closer to the Sun during the
summer than in the winter. Even a sizable fraction of Harvard graduates carry
this belief (Schneps, 1987, mentioned in Green, 2003). In reality, this is exactly
opposite the situation in the northern hemisphere. The separation of Earth and
Sun is greatest at the beginning of July and least at the beginning of January.
More direct sunlight and the greater duration of daytime in summer months

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Dr. Smith vs. The Lawyer

A lawyer's use of some very simple science and math. The facts are true, although simplified; the company names have been changed.

Acme Enameling Company operated a cast-iron foundry and enameling plant, where it made bathtubs and sinks for twenty-seven years. It dumped factory wastes on vacant property behind the plant. Zenith Construction Company then bought the property and used it as a construction waste landfill.

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