Science Grade 5 Bodily Changes of Female During Puberty

1. Describes bodily changes of a
male/female at puberty
When a Girl Becomes a Woman
Science V

2. Review
Explain the process of fertilization

3. Motivation
• What do you think will happen to
the egg when a sperm cell unites
with it?
• What happens to the other sperm
cells that do not unite with the egg?

4. Presentation
• What do you think will happen if
the egg is not fertilized by any
sperm cell?
• What is menstruation?

5. Group Activity
• Form 5 groups.
• Discuss as you work.
• Be sure to record your observations.
• Watch the video clip: Process of
Menstruation in Women

6. Concept Formation
• Discuss what happens to the
reproductive organ (uterus, ovary) of a
female within a month.
• Define menstruation based on your
experience.
• Enumerate the symptoms on
menstruation.

7. Concept Formation

8. Concept Formation
The menstrual cycle involves the monthly
changes in the female reproductive
organs.

9. Concept Formation
The menstrual flow occurs when the egg
is not fertilized by a sperm cell.

10. Concept Formation
Menstruation lasts some four to five
successive days once every 28-day cycle
after the egg is released by the ovary.

11. Concept Formation
As long as
female
experiences
menstruation,
she can get
pregnant.

12. Concept Formation
Mature egg leaves the
ovary
Egg cell travels to the
fallopian tube
Unfertilized egg does not
attach to the uterus
Uterus lining breaks down

13. Evaluation
1. What is the process where the egg cell
mature?
a. fertilization
b. menstruation
c. ovulation
d. menoupausal

14. Evaluation
2. What happens when a mature egg is not
fertilized by a sperm?
a. The egg is absorbed by the body.
b. The egg is broken into pieces
(disintegrates) and is discharged as
menstrual flow.
c. The egg becomes mature and goes
out as a fertilized ovum.
d. The egg goes back to the fallopian tube.

15. Evaluation
3. Why is menstruation considered as a
cycle?
a. Because it occurs every month
b. Because it goes round and round the
uterus
c. Because it enables a woman to become
pregnant every year
d. Because it enables a woman to
experience menopause once a year

16. Evaluation
4. How often do girls normally experience
menstruation?
a. once every week
b. once every 30 days
c. once every 29 days
d. once every 28 days

17. Evaluation
5. What occurs when an adult female no
longer menstruates?
a. pre-menstrual syndrome
b. menopause
c. pregnancy
d. fertilization

18. Assignment
What are the effects of Menstruation?

19. Assignment
What are the effects of Menstruation?
• Tenderness of the breasts
• Bloating
• Headache, Irritability, Nervousness, Fatigue,
Crying spells, Depression (also called PMS
or Premenstrual Syndrome)
• Dysmenorrhea