Why does a pregnant woman have to be careful about what she takes into her body?     7B  Pregnancy - Dangers to fetus   A ...
Puberty <ul><li>Learning Objective : </li></ul><ul><li>Understand that humans undergo a process of puberty </li></ul><ul><...
Sort the cards into true and false <ul><li>Chemicals called sex hormones start the changes </li></ul><ul><li>Girls begin t...
Growing up All children   eventually grow up to be  ______ The time when the body is changing is called  _______ Changes h...
Changes that happen to girls and boys <ul><li>voice breaks </li></ul><ul><li>shoulders get wider  </li></ul><ul><li>hair g...
Body changes Body Change Boys  Girls Voice breaks Pubic hair grows Hips widen Shoulders broaden Breasts develop Become mor...
When do changes happen?
7B  Puberty - Hormones     1.   Most people reach puberty between the ages of… a)   10 and 18. b)  18 and 30. c)   30 and ...
3.   Hormones are released inside the body and cause… a)   physical changes only. b)  emotional changes only. c)   physica...
4.   Emotional changes during puberty affect… a)   feelings and behaviour. b)   your hearing. c)  the weather. 7B  Puberty...
7.   Understanding the science of your body as it changes is important to…  a)   your neighbours. b)   your doctor. c)   y...
Puberty <ul><li>Learning Objective : </li></ul><ul><li>Understand that humans undergo a process of puberty </li></ul>
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Y8 Humans 06 puberty

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Year 8 lesson on puberty. Original lesson from: http://www.tes.co.uk/teaching-resource/Body-changes-lesson-6093752/

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  • Adults Puberty Body Hormones Testosterone oestrogen
  • TEACHER’S NOTES Answers : 1a) 2c)
  • TEACHER’S NOTES Answers : 3b) 4c)
  • TEACHER’S NOTES Answers : 5a) 6a)
  • TEACHER’S NOTES Answers : 7c)
  • Y8 Humans 06 puberty

    1. 1. Why does a pregnant woman have to be careful about what she takes into her body?     7B Pregnancy - Dangers to fetus A baby is entirely dependent on its mother during pregnancy. Oxygen and food pass across the placenta from the mother’s blood to the embryo’s blood. Some harmful substances can also pass across the placenta with serious effects on the developing baby.    
    2. 2. Puberty <ul><li>Learning Objective : </li></ul><ul><li>Understand that humans undergo a process of puberty </li></ul><ul><li>Task1 : </li></ul><ul><li>Sort the cards into True and False. </li></ul>
    3. 3. Sort the cards into true and false <ul><li>Chemicals called sex hormones start the changes </li></ul><ul><li>Girls begin to get curves and develop breasts </li></ul><ul><li>Boys begin to get broader shoulders and bigger muscles </li></ul><ul><li>Girls start their period during puberty </li></ul><ul><li>Sperm can leave the penis during sleep, this is called a wet-dream </li></ul><ul><li>Not only our body changes but also our feelings </li></ul><ul><li>Testes and ovaries do not make sex hormones </li></ul><ul><li>Boys and girls start puberty at the same time </li></ul><ul><li>All boys end with very deep voices </li></ul><ul><li>All girls start puberty at the same age </li></ul><ul><li>All boys start puberty at the same age </li></ul><ul><li>Only boys end up with hair on their bodies </li></ul>True False
    4. 4. Growing up All children eventually grow up to be ______ The time when the body is changing is called _______ Changes happen all over the ____ Emotional changes also happen at puberty. ________ cause these changes to happen ___________ is made by the testes in a boy In a girl the ovaries make a hormone called ________ adults Puberty / adolescence body Hormones Testosterone oestrogen
    5. 5. Changes that happen to girls and boys <ul><li>voice breaks </li></ul><ul><li>shoulders get wider </li></ul><ul><li>hair grows on face and chest </li></ul><ul><li>testes and penis get bigger </li></ul><ul><li>testes start to produce sperm cells </li></ul><ul><li>breasts develop </li></ul><ul><li>ovaries start to release egg cells </li></ul><ul><li>periods start </li></ul><ul><li>hips get wider. </li></ul><ul><li>  </li></ul><ul><li>Get taller </li></ul><ul><li>Underarm hair grows </li></ul><ul><li>Pubic hair grows </li></ul><ul><li>Emotions change </li></ul>Girls Both Boys
    6. 6. Body changes Body Change Boys Girls Voice breaks Pubic hair grows Hips widen Shoulders broaden Breasts develop Become more muscular Periods start Emotions change Penis grows Ovaries start to release eggs Testes start making sperm Get taller
    7. 7. When do changes happen?
    8. 8. 7B Puberty - Hormones   1. Most people reach puberty between the ages of… a) 10 and 18. b) 18 and 30. c) 30 and 60.
    9. 9. 3. Hormones are released inside the body and cause… a) physical changes only. b) emotional changes only. c) physical and emotional changes. 2. Changes during puberty are controlled by special chemicals called… a) hornets. b) hormones. c) horses. 7B Puberty - Hormones
    10. 10. 4. Emotional changes during puberty affect… a) feelings and behaviour. b) your hearing. c) the weather. 7B Puberty - Hormones 5. Physical changes during puberty affect the size and shape of… a) …the body. b) …CD players. c) …hornets.
    11. 11. 7. Understanding the science of your body as it changes is important to… a) your neighbours. b) your doctor. c) your health. 7B Puberty - Hormones 6. After puberty the individual has become… a) sexually mature and is able to produce offspring. b) a professional footballer and is able to go shopping. c) a blackbelt in judo and is able to go travelling.
    12. 12. Puberty <ul><li>Learning Objective : </li></ul><ul><li>Understand that humans undergo a process of puberty </li></ul>
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