Seeing is believing
Y7 practical session (extraction of and onion film to observe the plant cell).
They were able to:
1- Extract the film using common lab tools (scalpel and forceps).
2- Dye it using a pigment.
3- Wash it to remove any extra stain.
4- Place their specimen on a slide and cover it avoiding air bubbles.
5- Observing the specimen under the microscope and draw what they saw.