The weather is humid when there is a lot of moisture in the air. It is usually warm when it is humid.
Scientific name: family: orchidaceae
Orchids are a very big plant family. There are more different kinds of orchid than there are different kinds of bird. Orchids are found everywhere except deserts and glaciers. Orchids are grown for their pretty flowers. You can tell an orchid mainly by one of its petals being somehow different to all the others.
A pyramid is a three-dimensional shape, usually a building, that has the sides made out of identical triangles. The base of a pyramid is usually a square but sometimes is a triangle too. Square-based pyramids are easier to build.
In Egypt, pyramid-shaped tombs were built for their royal family. Inside the pyramid were lots of chambers for dead members of the family and supplies that they thought would be needed in the afterlife.