> An elevator car hangs on steel cables inside a shaft. A pulley turns > the cables to make the car slide up or down. Climbing the stairs in a house is easy. But in a tall building with many…
You can have a bright, cheerful garden in your house all winter—a window-sill garden of house plants! You can buy small house plants at many stores. Put them on a window sill, or on a table near a…
December is the twelfth month of the year. It has thirty-one days. In ancient Roman times, when the year began in March, December was the tenth month of the year. This month got its name from decern,…
Recent Comments