Cells under a light microscope - experiment

Swab your cheek using a ​ (a)  

• Sterile Swab
• Tooth Brush
• Broom Handle
• Ukulele

The swab is rolled on the slide with ​ (a)   to transfer the ​ (b)  

• water
• cheek cells
• cell membrane
• fanta orange

The cover slip is gently lowered onto the slide. Why?

(2 answers)

• So as not to break it

• To prevent air bubbles getting trapped

• Because Cian said so

• In case any ghosts get trapped underneath

Reorder the following

• Place the slide on the stage and secure using the stage clips

• Click the lowest objective lens into position

• Sharpen the image using the fine focus wheel

• Click the medium objective lens into position

• Use the coarse focus wheel

Which stain is used to stain an animal cell?

• Methylene Blue

• Iodine

• fanta orange

Which organelles are visible in an animal cell?

(3 answers)

• Cell Membrane

• Nucleus

• Cytoplasm

• Cell Wall

• Chloroplast

An onion is a plant. True or False?

• True

• False

A thin layer of onion is used for this experiment. Why?

(2 answers)

• To allow light to pass through it

• To give a clear view of the cells

• Onions are expensive

• Cian wants to eat the rest of it

​ (a)   is used to stain plant cells as it makes the ​organelles easier to see

• Iodine
• fanta orange
• water
• methylene blue