Some shapes are wider at the bottom than the top. This is called tapering. A tapering shape on its side is a wedge. It can be used to force even giant blocks apart. The great pyramids

A pyramid is a shape that has triangular sides meeting in a point. The great pyramids of Giza in Egypt are tombs for kings (pharaohs) that were built by the Ancient Egyptians over 3000 years ago.

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Look at the room you are sitting in. You will see a wide variety of shapes that are strong enough to be pulled, squashed, bent, twisted, hit or dropped.

The walls of your room may be made of building blocks, stacked together. Each block has an oblong or rectangular, shape..

Your body has to be made of strong shapes as well. Feel your arms and legs. They are long and round, similar to rods, or cylinders. Now feel your head. It is round in every direction, roughly ball-shaped or a sphere.

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