Skip to content
Oak National Academy
Oak National Academy
Teachers
Pupils
icon-background-square
Year 9

Sexually transmitted infections (STIs)

This lesson will define 'safer sex' and will discuss common sexually transmitted infections (STIs) - symptoms, help and treatment. This lesson covers some content that may be a sensitive topic for you. We recommend checking with a trusted adult before starting or doing the lesson with a trusted adult nearby.

Download all resources
arrow-right
Share activities with pupils
arrow-right
icon-background-square
Year 9

Sexually transmitted infections (STIs)

This lesson will define 'safer sex' and will discuss common sexually transmitted infections (STIs) - symptoms, help and treatment. This lesson covers some content that may be a sensitive topic for you. We recommend checking with a trusted adult before starting or doing the lesson with a trusted adult nearby.

Download all resources
arrow-right
Share activities with pupils
arrow-right
warning

These resources will be removed by end of Summer Term 2025.

Switch to our new teaching resources now - designed by teachers and leading subject experts, and tested in classrooms.
View new resources
arrow-right

Lesson details

Key learning points

  1. What is meant by 'Safer Sex'
  2. Common STIs (E.g. chlamydia, syphilis, HIV, herpes etc.)
  3. Symptoms of STIs
  4. Help, testing and treatment
content-guidance

Content guidance

  • Contains sexual content.
supervision-level

Supervision

Adult supervision suggested

copyright

Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

Lesson video

Share with pupils
Skip lesson video

Loading...

Starter quiz

Download starter quiz
Share with pupils

5 Questions

Q1.
Sexually transmitted infections (STIs) refers to specific infections that can spread easily through having sex.
False
Correct answer: True
Q2.
Flu is a type of STI.
Correct answer: False
True
Q3.
Chlamydia is NOT a type of STI.
Correct answer: False
True
Q4.
You can’t protect against STIs.
Correct answer: False
True
Q5.
Which of the infections below are STIs? Select all that apply.
Common cold
Correct answer: HIV
Correct answer: Pubic lice

Exit quiz

Download exit quiz
Share with pupils

5 Questions

Q1.
STIs spread through...
Body fluids.
Correct answer: Mucous membranes and body fluids.
Mucous membranes.
Q2.
STIs can transmit during childbirth.
False
Correct answer: True
Q3.
Condoms are a ...... method of safer sex.
Correct answer: Barrier
Hormonal
Q4.
Untreated STIs can cause infertility (difficulties getting pregnant).
False
Correct answer: True
Q5.
What should someone do if a current or ex partner has symptoms of an STI?
Don’t worry - it’s unlikely to have spread.
Correct answer: Seek help and testing from a GP, clinic, NHS drop in etc.
Wait to see if you have symptoms.