Use the correct forms of the given words to complete the sentences
- circulate
- science
- important
- visible
- discover
- combine
- actual
- usual
- microscope
The word "microscope" is a [ ] of two Greek words, micros, or "small", and skopos, or "watcher". So a microscope is a watcher of the small. It helps to see tiny things which are [ ] to the naked eye. It was invented sometime between 1590 and 1610. No one is quite sure who [ ] did it. The credit is [ ] given to Galileo. A Dutch [ ] called Leeuwenhoek is sometimes referred to as "the father of microscope" but that's because of many [ ] he made with this instrument. He was the first to see such [ ] forms of life as bacteria. He was also the first to see the whole [ ] of the blood. Today the [ ] of microscope to man in almost every form of science and industry is evident.