Viewing cells under a microscope

• What instrument produces a magnified image of small objects?

  Microscope
• Who used an early microscope to look at cork?

  Robert Hooke
• What did Robert Hooke call the tiny rooms he saw?

  Cells
• What part of the microscope holds the slide?

  Stage
• Which part of the microscope changes the magnification?

  Objective lens
• What part of the microscope does the viewer look through?

  Eyepiece lens
• Which focus knob moves the stage up and down?

  Coarse focus
• Which focus knob is used to make the image clearer?

  Fine focus
• What reflects the light onto the stage?

  Mirror
• In step 1, what is added to stain the cells?

  Dye
• What type of cells is iodine used to stain?

  Plant cells
• Why should you start with the lowest magnification?

  It has the widest field of view
• Which focus knob should you use first?

  Coarse focus knob
• What type of objective lens should you use to increase the magnification?

  Higher magnification objective lens
• Which focus knob is used to get a clearer image?

  Fine focus knob