A sphere is a three-dimensional shape that is perfectly round, with all points on its surface equidistant from its center. Spheres are commonly found in nature, such as planets, stars, and bubbles. They are also used in a variety of applications, such as engineering, manufacturing, and art.
There are many different ways to make a sphere. One common method is to use a compass and a protractor to draw a circle on a flat surface. The circle is then cut out and taped or glued together to form a sphere. Another method is to use a sphere mold. The mold is filled with a liquid material, such as plaster or resin, and then allowed to harden. Once the material has hardened, the sphere can be removed from the mold.