Answer the following questions based on the reading passage. Don’t forget to go back to the passage whenever necessary to find or confirm your answers.
1) What is the use of the microscope?
2) Who are the two scientists who worked to invent the microscope?
3) How do scientists make their observations know to other scientists?
4) What is inside the microscope’s short tube?
5) What are the little knobs on the side of a microscope used for?
