Division to Multiply -- Mitosis
Grade Levels: 3 - 5
Students will explore how cells divide and multiply (a process called mitosis)
for growth and repair.
SUGGESTED TIME ALLOWANCE
OBJECTIVESuse vocabulary related to mitosis.
learn how cells reproduce.
MATERIALS Activity worksheet:
Division to Multiply
to Multiply (http://www.sfscience.com/english/grade_6/unit_A/chap_2/act_1/1.htm)
Cell Cycle (http://www.biology.arizona.edu/cell_bio/tutorials/cell_cycle/cells3.html)
PROCEDURESIntroduce key vocabulary: cell, cell division,
chromosome, DNA, mitosis.
Have students visit Division
to Multiply and take notes in preparation for a class discussion.
Ask students to complete the Division
to Multiply worksheet. Point out that all the required information can be
found at The
Cell Cycle website.
Have students work individually or with partners.
Arrange a time when students can share their findings.
Use students' activity sheet answers and notes to assess their understanding
of mitosis. Students should be able to tell why cells divide and what happens
during the four main phases of mitosis.
EXTENSION ACTIVITIESIn Anatomy of a Splinter
(http://www.cellsalive.com/ouch.htm) students will see how cells help the body
repair and grow. Have students print out and label a favorite illustration from
the site to share with the class.
Have students visit Onion
Root Tips (http://www.biology.arizona.edu/cell_bio/activities/cell_cycle/cell_cycle.html)
where they will be challenged to determine the amount of time used for different
phases of the cell cycle.
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