Science 9
Name: _______________________________
Stages of the Cell Cycle - Making Mitosis
Materials needed
Colored pencils, yarn, pipe cleaners
Glue if using yarn and pipe cleaners
Legal Sized Paper divided into 6 equal sections x 2
Scissors
Paper 1: Draw the cell in each stage of the cell cycle - Interphase, Mitosis (Prophase,
Metaphase, Anaphase, Telophase) & Cytokinesis focusing on the arrangement of the
chromatin and chromosomes.
Your Drawing Should Include
Cell membrane
Nuclear envelope
Centrosomes
Mitotic spindle
Chromatin
Chromosomes with two sister chromatids
Paper 2: Outline what is occurring at each stage of the cell cycle: Interphase (G1, S, G2),
Mitosis (Prophase, Metaphase, Anaphase, Telophase) & Cytokinesis.
Questions
1. Why do you think it is necessary for chromatin to compact itself, coil around proteins, and
form chromosomes?
_________________________________________________________________________________________________________
_________________________________________________________________________________________________________
2. What is the main purpose of mitosis? ______________________________________________________________
_________________________________________________________________________________________________________
_________________________________________________________________________________________________________
3. Fill in the following with the appropriate phase.
a. Ninety percent of a cells life is spent in this phase _________________________________________________
b. The chromosomes uncoil and the spindle disappears _____________________________________________
c. Chromosomes lineup in the middle of the cell _____________________________________________________
d. Chromosomes become visible _______________________________________________________________________
e. The part of Interphase in which the DNA is replicated ____________________________________________
Sources:
https://www.quia.com/files/quia/users/napham/BIO_100/Ch_10_Cell_Growth_and_Division/Acti
vity_-_Modeling_the_Stages_of_Mitosis.pdf (adapted by Melanie Bauer and Gemma Connell)
http://www.mrgscience.com/uploads/2/0/7/9/20796234/mitosis_and_meiosis_desk_top_yarn_ac
tivity.pdf (adapted by Melanie Bauer and Gemma Connell)
Extension:
Describe the events that occur in the four phases of mitosis in one or two brief sentences.
Cut the phases out into 6 parts. Cut description out into 6 parts. Play card sort!
Extension:
Activity can be repeated when learning about meiosis so students can see how it is
different/similar.
Activity (in class or online):
Walk the students through the phases of mitosis and have them move the yarn pieces on their
desks as each step is discussed (I would draw it with them on the board). After they have
practiced all the phases, ask them to create the different phases you call out (this part only
works with yarn or pipe cleaners).
Journal Reflection OR Thank you note to plant cells/our cells