1.a structure that children play on by climbing up steps and sliding down a slope on the other side
3.a situation in which an amount becomes less
4.a small piece of in a frame, that you shine light through in order to show the image on a screen; a small thin piece of glass on which you put something that you want to look at using a microscope
5.a sudden fall of rock, earth, etc. from the side of a mountain
6.a shoe that covers the front of the foot and is very low at the back