Lesson 3: Sexual development (share)

• Biologie
• Middelbare school
• havo, vwo
• Leerjaar 1

Get ready: 

-LessonUp

-HW female reproductive system

Reproduction

Lesson 3: Sexual development

Learning goals lesson 3

1. You can explain the difference between primary and secundary sexual characteristics

2. You can give examples of both in females and males

3. You can explain the role of testosterone & estrogen in sexual development

Sexual development

• Primary sexual characteristics
• Secondary sexual characteristics

   Caused by the production of hormones

What are hormones?

• These are chemicals that slowly change things in our bodies
• They are transported through our blood

Which characteristics are present at birth?

1. Primary sexual characteristics
2. Secondary sexual characteristics

Which characteristics develop during puberty?

1. Primary sexual characteristics
2. Secondary sexual characteristics

How do organisms develop secondary sexual characteristics?

1. Under the influence of hormones
2. Under the influence of the weather
3. Under the influence of gravity

What is a primary sexual characteristic of a man?

1. a beard
2. stronger muscles
3. a penis
4. stronger body smell

What is a primary sexual characteristic of a woman?

1. breasts
2. menstruation
3. a vagina
4. stronger body smell

Contraceptive assignment

• What is the name of your method? 
• Who uses it? (male female or both)
• How does it work?
• How do you use it? 
• What is the effectiveness of the contraceptive method (what is the chance of getting pregnant when you are using this method? 
• Does it prevent people catching a sexually transmitted disease? 
• Where can you buy it? 
• what are the advantages & disadvantages? 
• mention your sources (where did you find the information?)

Contraceptive assignment

A. INDIVIDUAL: make a brochure  (A4 front AND back) about a contraceptive, in which the following aspects should be covered. 

B. IN PAIRS: make a infomercial (video) about a contraceptive, in which the following aspects should be covered. 5-10 min.

Further instructions are on page 22 of the Ibook. 

Choose your topic today, fill in the google form via classroom! 

Topics: 

• The pill
• Abstinance
• The morning after pill
• Diaphragm
• IUD
• Female condom
• Condom

-Done? -> Start with the HW for lesson 4

Next lesson: The menstrual cycle