1. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Quotes About Character Copyright © by Holt, Rinehart and Winston. All rights reserved. “This above all, to thine own self be true/And it must follow, as the night the day/ Thou canst not then be false to any man.” —William Shakespeare ResourcesChapter menu

2. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Adolescent Growth and Development Chapter 10

3. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Adolescent Growth and Development Lessons Lesson 1 Your Changing Body Lesson 2 Your Changing Mind Lesson 3 Your Changing Feelings Lesson 4 Preparing for the Future Chapter 10

4. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 1 Your Changing Body Bellringer Make a list of 10 ways that you have changed since you were in the first grade. Then, classify these entries as physical changes, mental changes, or emotional changes. Chapter 10

5. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 1 Your Changing Body Objectives Summarize the role of the endocrine system in growth and development. Compare the changes that happen in males with the changes that happen in females during puberty. Chapter 10

6. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 1 Your Changing Body Start Off Write What are some factors that affect your development? Chapter 10

7. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 1 Your Changing Body What Makes You Grow? Hormones A hormone is a chemical made in one part of the body that is carried through the bloodstream and causes a change in another part of the body. Sex Hormones The hormones that cause sexual maturation are called the sex hormones. Testosterone is the main male sex hormone. Progesterone and estrogen are the main sex hormones of females. Chapter 10

8. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 1 Your Changing Body Chapter 10

9. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 1 Your Changing Body Individual Differences in Development Factors Influencing Development Many different factors affect your development. These factors include heredity, nutrition, your weight and fitness level, and your general health. Boys Vs. Girls Boys and girls mature at different times and at different rates. Chapter 10

10. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 1 Your Changing Body Physical Changes in Boys Boys and Puberty For boys, puberty generally occurs between age 13 and age 15. Changes During Puberty Testosterone is responsible for many of the physical changes that happen to boys during puberty. One major change is rapid increase in both height and weight. Chapter 10

11. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 1 Your Changing Body Chapter 10

12. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 1 Your Changing Body Physical Changes in Girls Girls and Puberty In girls, puberty usually occurs between age 9 and age 16. Changes During Puberty Estrogen triggers most of the physical changes that happen to girls during puberty. Generally, breast development is the first change to be noticed. Chapter 10

13. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 1 Your Changing Body Chapter 10

14. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 2 Your Changing Mind Bellringer Describe an everyday behavior that you would classify as risky and another behavior that you would classify as brave. Chapter 10

15. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 2 Your Changing Mind Objectives Explain how your mental abilities change during adolescence. List the six major categories of adolescent risk behavior. Describe how changes during puberty can affect risk-taking behavior in adolescents. Chapter 10

16. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 2 Your Changing Mind Start Off Write Why do teens act differently than children do? Chapter 10

17. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 2 Your Changing Mind Development of Mental Abilities Abstract Thought During adolescence, you begin to rely more on critical thinking, particularly your ability for abstract thought. Chapter 10

18. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 2 Your Changing Mind Development of Behavior As a way to deal with the changes they are going through, adolescents may participate in behaviors that place them at risk of illness or injury. These risky behaviors fall into six main categories: 1. sexual activity 2. tobacco use 3. alcohol and drug use 4. unnecessary physical risks 5. poor nutrition 6. lack of exercise Chapter 10

19. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 2 Your Changing Mind Chapter 9 Older teens take more risks than younger teens and children do.

20. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 3 Your Changing Feelings Bellringer List several emotions that you have felt. Next to each entry, write a term that identifies a person, place, or event that triggers that emotion. Chapter 10

21. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 3 Your Changing Feelings Objectives Identify six emotional and social changes that happen during adolescence. Explain how additional responsibility prepares teens for adulthood. Describe how peer pressure can affect your opinions and attitudes. Chapter 10

22. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 3 Your Changing Feelings Start Off Write How do you think changes during adolescence prepare teens for adulthood? Chapter 10

23. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 3 Your Changing Feelings Mood Swings Rapid Changes in Emotion All the changes of puberty may lead to mood swings. You may feel happy one day and sad, angry, or anxious the next. Go to a Trusted Adult If you feel hopeless for longer than a few days or have thoughts of hurting yourself or someone else, you should talk with your parents or another trusted adult. Chapter 10

24. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 3 Your Changing Feelings Attraction to Others What Is Attraction? Attraction is admiration for someone that may include the desire to get to know that person better. Infatuation Early in adolescence, attraction usually takes the form of infatuation, or a “crush.” Chapter 10

25. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 3 Your Changing Feelings Belonging Acceptance Many adolescents begin to care more and more about being accepted. Acceptance means being approved of by others, or being welcomed into a group of friends. Choosing Your Friends Friends who accept you can help you deal with the stresses of growing up. Choosing your friends wisely can help you protect your health. Chapter 10

26. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 3 Your Changing Feelings Independence What Is Independence? Independence is being free of the control of others and relying on your own judgment and abilities. Getting More Independence At times, you may feel frustrated when you are not given the independence you want. Your parents or guardians are only looking out for your best interest. To get more independence, you will need to show them that you can handle more independence. Chapter 10

27. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 3 Your Changing Feelings Responsibility What Is Responsibility? Responsibility is the act of accepting the consequences of your decisions and actions. Preparing for Adult Roles By learning to be responsible, adolescents prepare for adult roles. Adults must be responsible and dependable when they have jobs and families, because others will rely on them. Chapter 10

28. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 3 Your Changing Feelings Peer Groups and Cliques What Is a Peer? Your peers are those people of about the same age or grade as you with whom you interact every day. What Is a Clique? A clique is a group of people who accept only certain types of people and exclude others. Chapter 10

29. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 3 Your Changing Feelings Chapter 10 Cliques can keep you from developing friendships with people who look or think differently than you.

30. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 4 Preparing for the Future Bellringer Make a list of five things that you do well. Identify a career that is related to each entry on your list. Chapter 10

31. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 4 Preparing for the Future Objectives List two ways to identify and explore your interests. Describe how organization and study skills affect your success in school. Explain how exploring career opportunities can help you plan for your future. Chapter 10

32. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 4 Preparing for the Future Start Off Write How can exploring your interests help prepare you for a future career? Chapter 10

33. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 4 Preparing for the Future Discovering Your Interests Extracurricular Activities Extracurricular activities are activities that you do that aren’t part of your schoolwork. Elective Classes Elective classes are classes that you can choose to take for a grade but are not required. Elective classes can help you learn your interests. Chapter 10

34. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 4 Preparing for the Future Getting Organized Organization Tips Here are some tips for becoming more organized: 1. At the beginning of each week, spend at least 20 minutes planning what needs to be done that week. 2. Organize the different projects that you are working on. 3. Discuss other ways to be better organized with friends or adults who you think are well organized. Chapter 10

35. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 4 Preparing for the Future Your Schoolwork Study Tips Here are some tips for taking notes and reading textbooks: 1. Write details or explanations under main topics. 2. Compare notes with a friend. 3. Before class, read the lesson in the textbook that relates to the class. 4. Look for key words. Chapter 10

36. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 4 Preparing for the Future Planning for Your Future Exploring Careers You can explore careers in the following ways: 1. You could go to work with an adult. 2. You could volunteer at a hospital or charity. 3. You could get a part-time or summer job. 4. If you are interested in a certain career, look for ways to gather information about that field. Chapter 10

37. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Click below to watch the Brain Food Video Quiz that accompanies this chapter. You may stop the video at any time by pressing the Esc key. Brain Food Video Quiz

38. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 1 Your Changing Body Chapter 10

39. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 2 Your Changing Mind Chapter 9

40. Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Lesson 3 Your Changing Feelings Chapter 10