Lesson Starter Write down as many words or phrases you can think of which describe a cell

LESSON 4- How to make a microscope slide Cells Alive LESSON 4- How to make a microscope slide

Today we are going to.. Look at onion cells under the microscope and describe what we see

Cells The smallest unit in life is a cell- they are tiny and transparent We need to use a STAIN so we can see parts of the cell An example of a stain is IODINE

Instructions Collect a slide, coverslip, slice of onion and bottle of iodine Place the onion tissue on the slide Add 3 drops of Iodine Place the coverslip on the slide gently to avoid air bubbles Place the slide on the microscope and draw what you see