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Sexuality Risks Worksheet

Students match factual information to the different outcomes of sexual behavior.

science worksheet

                      Free Download Below

MatchCard Science Sexual Risks Worksheet

Objective: Discuss risks of sexual contact outside of a monogamous relationship.

MatchCard: Download below.

MatchCard Information Pieces list information on different outcomes. Students place them in the correct box. Other activities are listed on the Instructor's Page and below.

Print the MatchCard on Risks of Sexual Behavior

Sexuality Risks Worksheet homeschool curriculum download arrow
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This is MatchCard #10 of the Nutrition, Health, and Safety Unit Study.
Find more information on MatchCard Science below.

Risks of Sexual Contact

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Why Study Risk Factors?

Sex is an activity that has life-changing consequences. It requires maturity to understand the implications of one's behavior and make mature decisions.

While information abounds, misinformation and half-information also circulates. A homeschool teenager enrolled in a local school and was taught that there are only two main types of sexually transmitted diseases: HIV which doesn't really occur in the straight population, and simpler diseases that are easily treated with pills. As the information on the MatchCard explains, even treatable diseases can be permanent, cause infertility, or cause birth defects to one's children in the future. And HIV does occur and is more common if someone is a carrier of other sexually transmitted infections.

Public campaigns have emphasized the value of testing for STD's to protect them, leaving teenagers with the assumption that testing protects against infection. It does not and can not. Testing won't stop an individual from getting an infection. It is intended to limit the number of people that individual passes the infection to.

The MatchCards provide students factual information about the consequences of sexual relationships.

12 Common Risks

The worksheet lists 12 of the most common risks of sexual behavior (in alphabetical order). Those risks include:
  • Absent Fathers: Children often are more vulnerable and may feel abandoned and alone

  • AIDS: Incurable, fatal disease due to the HIV virus which prevents the body from fighting infections

  • Child Support: The father will have money taken out of his paycheck for the next 18 – 23 years. This can be a financial hardship on later marriages and children.

  • Chlamydia: A treatable bacteria spread from one partner to another that can cause discharge, pain and infertility. Called a silent infection, many do not know they have chlamydia.

  • Emotional Stress: Feelings of being used by another person and difficulty trusting that person or another

  • Gonorrhea: A treatable disease caused by bacterium. If untreated it causes pain, ectopic pregnancy, infertility, or can spread to the blood and be life threatening.

  • Hepatitis: Infection of the liver classified as Type A, B, C, D, or E. Type B is transmitted sexually or from exposure to blood and causes a lifelong incurable disease of the liver which can be fatal.

  • Herpes: An incurable virus that causes blisters that appear intermittently Babies can die from herpes infections acquired during birth.

  • Human Papilloma Virus: A common virus causing genital warts which are raised, multi-segmented warts on the genitals. Other forms cause cervical cancer in females.

  • Syphilis: A treatable disease caused by bacterium which causes sores called chancres. If not treated it can damage internal organs and cause death or dementia. It increases the chance of stillbirth in pregnancy.

  • Trichomonas: A treatable protozoan parasite that causes discharge and a strong odor. It increases the chance of acquiring HIV or having a premature baby.

  • Unwanted Pregnancy: Increases the odds that the mother and child will live in poverty; increases child abuse, increases the rate of abortion.

Other Learning Activities

How Much Protection is Enough?

100 Pennies & Birth Control

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Lay out ten rows of pennies in ten columns. These pennies represent 100 teenage girls.

80% of sexually active young women will become pregnant in one year if they do not use birth control. Show how many of the pennies that would be.

Many advise young people to use condoms to prevent pregnancy. When condoms are used, only 15% of sexually active women become pregnant in one year. Move 15 of the pennies away from the rows and to another area. This represents those 15 mothers. Obviously, 15% is much better than 80%.

So if 100 15 year old girls are sexually active and using condoms, 15 will get pregnant in their 15th year. When they are 16, another 15 will get pregnant. Move another 15 pennies over.

Continue counting the years until they are 21. How effective are the condoms? Most will become pregnant before they are half-way through college. Of course, without the condoms, many have three children by the age of 21. Discuss the risks and benefits.

Compare condoms to contraceptive pills. They have a 99% effectiveness if taken correctly, but a 93% effectiveness with typical use (human error makes people forget.) Calculate that risk between now and college for someone your age.

Ordering The Risk Factors

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The risks which are listed in the boxes are placed according to alphabetic order. In this activity, students will rearrange them in a different order. You may wish to print an additional copy of the worksheet for this particular activity.

Have the students order the information pieces according to their opinion. Place the items they think would be the worse if it occurred to them at the top, and those that would not be as bad under it.

There is no right or wrong answer, but a method of contemplating the impact some of these might have on their future.

The ABC's of STI's

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Over the years the official abbreviation has changed:
  • VD: Venereal Disease
  • STD: Sexually Transmitted Disease
  • STI: Sexually Transmitted Infection
With abbreviations like Hep B and Hep C it can become confusing. Even the tests (ie. RPR for syphilis) add additional abbreviations. Here are some of the more common ones:
  • AIDS: acquired immunodeficiency disorder
  • HIV: Human Immunodeficiency Virus
  • HPV: Human Papilloma Virus
  • HSV: Herpes Simplex Virus
  • HBV: Hepatits B Virus

An Ounce of Prevention

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What are the different prevention strategies for the different risks listed here? Some strategies for protecting oneself against these outcomes include:
  • Abstinence or Monogamy
  • STI testing
  • Contraception
Which strategies would work for the different types of outcomes?

Can you find the success rates of these strategies on the CDC (Center for Disease Control) or other websites?


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Objections have been raised against all three of the prevention strategies listed above (abstinence, testing, contraception.) Here are some of the objections.

Objection to Abstinence

  • Doesn't work or isn't realistic
  • Is religious
  • Threatens the health and safety of teens

Objections to Testing

It is costly to do comprehensive screens for all the different STI's.
  • Who should pay for this testing?
  • How often?
  • What portion of the population should receive the testing?

Objections to Contraception

  • Non-hormonal contracetions (ie barrier methods) tend to be less effective.
  • Hormonal Contraceptions are more effective but have other risk factors
    • Rare side effects (effecting one in about eight thousand) include:
      • Blood clots possibly leading to heart hearts or strokes - particularly in those who smoke or have high blood pressure
      • Certain forms of reproductive cancers (may have protective effect against other forms of cancers)
    • Common side effects (effecting about 15%) include
      • Weight gain
      • Mood swings
      • Migraine headaches
    • Preventing embryo from embedding (% not known)
      • Sometimes instead of preventing conception the hormone may prevent an embryo from embedding in the uterine lining one week after conception.

MatchCard Science

How To Use MatchCards

MatchCard Science Instructor's Guide

MatchCards are like flashcards - but fun. Students learn and review all the major science concepts with one MatchCard for each objective. Learn how to set up a MatchCard Notebook with the free download of the MatchCard Science Instructor's Guide.

Review 5 objectives a day, three days a week and watch how their knowledge of science expands.

Nutrition, Health, and Safety Unit Study

Nutrition, Health, and Safety Unit Study Cover

Eleven different MatchCards will guide students to making healthy choices for optimal living.

Download the entire Nutrition, Health, and Safety Unit Study.

12 Complete MatchCard Science Unit Studies

MatchCard Science Cover

There's even more! MatchCard Science has a total of 12 unit studies comprising all major areas of science. Comprehensive objectives, reusable MatchCards, hands-on demonstrations, and suggested projects make MatchCard Science Unit Studies a rewarding science curriculum for students who like to get their hands into science.

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