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Substance Sleuths

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Lesson Plan

Substance Smarts Plan

Students will explore common substances and their effects, analyze real-life scenarios, and practice refusal strategies to make confident, healthy choices.

Early awareness of substances empowers students to recognize risks, resist peer pressure, and make informed decisions, laying the groundwork for lifelong health and safety.

Audience

7th Grade, Middle School Students

Time

30 minutes

Approach

Interactive discussion, group scenarios, and role-play

Prep

Prepare Materials

10 minutes

Step 1

Warm-Up Discussion

5 minutes

  • Ask students: “What comes to mind when you hear the word ‘substance’?”
  • Record responses on the board (e.g., caffeine, medicine, alcohol).
  • Briefly define substance awareness and its relevance to daily life.

Step 2

Presentation: Common Substances & Effects

10 minutes

  • Present the Substance Awareness Slide Deck.
  • Highlight key substances (e.g., nicotine, alcohol, over-the-counter drugs) and their short- and long-term effects.
  • Distribute the Substance Facts Handout and review critical facts.
  • Invite questions and clarify misconceptions.

Step 3

Scenario Activity

8 minutes

  • Divide students into small groups and give each group a set of Scenario Cards.
  • In groups, students read scenarios, discuss possible responses, and choose the healthiest option.
  • Have each group share one scenario and justify their choice to the class.

Step 4

Role-Play & Refusal Skills

5 minutes

  • Pair up students and provide each pair with Role-Play Scripts.
  • Students practice assertive refusal using “I” statements and confident body language (e.g., “No thanks, I’m good.”).
  • Circulate to offer feedback and reinforce positive techniques.

Step 5

Reflection and Cool-Down

2 minutes

  • Hand out the Reflection Worksheet.
  • Students write one new thing they learned and one personal strategy they will use when faced with substance pressure.
  • Collect worksheets to review and provide follow-up support.
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Slide Deck

Substance Awareness

Understanding psychoactive substances and making healthy choices

Welcome students! Introduce topic. Today we'll become 'substance sleuths' as we learn what substances are, how they can affect us, and ways to stay safe. Encourage questions.

Lesson Objectives

By the end of this lesson, you will:
• Identify common psychoactive substances
• Understand their short- and long-term effects
• Analyze real-life scenarios
• Practice refusal strategies

Read objectives. Emphasize student goals.

What Is a Psychoactive Substance?

A substance that changes how your mind or body works (e.g., mood, energy, perception).

Ask: 'What examples come to mind?' Connect to everyday items like caffeine.

Common Psychoactive Substances

• Nicotine (cigarettes, e-cigarettes)
• Alcohol (beer, wine)
• Over-the-Counter Medicines (cough syrup)
• Prescription Drugs (painkillers)
• Cannabis (marijuana)

Briefly describe each. Invite students to share if they've heard of any.

Substance Effects Chart

[Chart: Substances vs Short-Term & Long-Term Effects]

Example:
Nicotine → Short: Increased alertness | Long: Addiction risk
Alcohol → Short: Impaired judgment | Long: Liver damage

Explain chart columns. Highlight one example, then ask students to suggest effects for another substance.

Quick Quiz

Which substance is linked to both impaired coordination and addiction risk?

A. Caffeine B. Alcohol C. Antibiotics D. Water

Poll responses (e.g., raise hand). Correct answer: B. Alcohol. Discuss why.

Scenario Activity

In groups, read your Scenario Cards, discuss healthy responses, and choose the best option to share.

Divide into groups. Distribute cards. Circulate and prompt reasoning.

Refusal Strategies

Use clear "I" statements and confident body language:
• "No thanks, I'm good."
• "I choose to stay healthy."
Practice standing tall with a clear voice.

Model one scenario. Emphasize eye contact and tone.

Role-Play Practice

Pair up, use Role-Play Scripts, and practice saying "no" in different situations.

Provide each pair a script. Listen and give positive feedback.

Reflection

Complete the Reflection Worksheet:

  1. One new thing you learned.
  2. A personal strategy for saying no.
  3. Why having a plan matters.

Hand out worksheets. Give 2 minutes. Collect responses.

Resources & Next Steps

Substance Facts Handout (take-home)
• Talk to a trusted adult or healthcare professional if you have questions.

Encourage students to review handouts at home. Remind them to reach out with any concerns.

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Worksheet

Exit Ticket: Substance Sleuths

Name: _______________________ Date: ___________

  1. What is one important thing you learned today about substances?




  2. What is one strategy you will use if someone offers you a substance?




  3. Why is it helpful to have a plan before you face peer pressure?




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Lesson Plan

Substance Sleuths Lesson Plan

Students will identify common psychoactive substances, understand their short- and long-term effects, analyze real-life scenarios, and practice refusal strategies to make healthy choices.

Building substance awareness at the Tier 1 classroom level helps 7th graders recognize risks, resist peer pressure, and develop lifelong healthy decision-making skills.

Audience

7th Grade, Middle School Students

Time

30 minutes

Approach

Discussion, group work, and role-play

Prep

Prepare Materials and Classroom

10 minutes

  • Print and organize enough copies of Substance Facts Handout and Reflection Worksheet.
  • Load the Substance Awareness Slide Deck on the classroom projector or device.
  • Sort Scenario Cards into mixed-ability group sets; include simplified versions for students needing language support.
  • Review Role-Play Scripts and prepare sentence stems for ELL and emerging speakers.
  • Arrange seating to facilitate small-group discussion and partner role-play.
  • Gather visual cue cards and plan to offer extended wait time and check-for-understanding prompts for diverse learners.

Step 1

Warm-Up Discussion

5 minutes

  • Ask: “What comes to mind when you hear ‘substance’?” Record responses on the board (e.g., caffeine, medicine, alcohol).
  • Use visual word cards to support vocabulary.
  • Define “substance” and connect to examples in students’ daily lives.

Step 2

Interactive Presentation

10 minutes

  • Present selected slides from the Substance Awareness Slide Deck.
  • Highlight types of substances (nicotine, alcohol, OTC drugs) and their effects.
  • Distribute the Substance Facts Handout; read key points aloud.
  • Use thumbs-up/down checks and targeted questions to assess comprehension.

Step 3

Scenario Group Activity

7 minutes

  • Divide students into mixed-ability groups; provide each group with a set of Scenario Cards.
  • In groups, read and discuss each scenario, then choose the healthiest response.
  • Teacher circulates, prompts deeper thinking, and notes group reasoning as formative assessment.
  • Have each group share one scenario and justify their choice to the class.

Step 4

Role-Play Refusal Skills

5 minutes

  • Pair students; give each pair Role-Play Scripts with sentence stems (e.g., “No thanks, I’m good.”).
  • Practice assertive refusal using “I” statements and confident body language.
  • Model an example, then provide feedback and encouragement.

Step 5

Reflection and Exit Ticket

3 minutes

  • Distribute the Reflection Worksheet.
  • Students answer:
    1. One new thing they learned.
    2. A personal refusal strategy.
    3. Why having a plan matters.
  • Collect worksheets to assess individual understanding and inform follow-up supports.
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Reading

Substance Facts Handout

Use this handout to review common psychoactive substances, their short- and long-term effects, and key safety facts.


Nicotine

What it is:
• A highly addictive chemical found in tobacco products and many e-cigarettes.

Common Forms:
• Cigarettes, cigars, vaping devices, chew, snuff.

Short-Term Effects:
• Increased heart rate and blood pressure
• Heightened alertness or dizziness
• Irritation of lungs or throat (vaping)

Long-Term Effects:
• Addiction and withdrawal symptoms
• Respiratory problems (chronic bronchitis)
• Increased risk of heart disease and stroke

Legal Age:
• 21+ to purchase tobacco and vaping products in most regions.


Alcohol

What it is:
• A depressant that slows down brain and body functions.

Common Forms:
• Beer, wine, spirits (hard liquor), ready-to-drink canned cocktails.

Short-Term Effects:
• Impaired judgment and coordination
• Slurred speech, slowed reaction time
• Mood changes (euphoria, aggression, sadness)

Long-Term Effects:
• Liver damage (cirrhosis)
• Memory and learning difficulties
• Addiction (alcohol use disorder), increased cancer risk

Legal Age:
• 21+ to legally purchase and consume in the U.S.


Over-the-Counter (OTC) Medicines

What they are:
• Drugs you can buy without a prescription to treat minor health issues.

Common Examples:
• Cough syrup, cold and flu remedies, pain relievers (ibuprofen, acetaminophen).

Short-Term Effects (when used correctly):
• Relief of symptoms (pain, fever, cough).

Risks of Misuse:
• Drowsiness, dizziness
• Stomach irritation or overdose
• Some cough medicines contain dextromethorphan, which can cause hallucinations if abused.

Long-Term Effects of Misuse:
• Liver or kidney damage
• Dependency on certain ingredients
• Serious health complications from overdose


Prescription Drugs

What they are:
• Medications prescribed by a healthcare professional.

Common Categories:
• Opioid painkillers (e.g., oxycodone)
• Stimulants (e.g., ADHD medications)
• Sedatives (e.g., anti-anxiety medications)

Short-Term Effects:
• Pain relief, increased focus, or calming effect
• Side effects like nausea, drowsiness, or agitation

Risks of Misuse:
• Dependency and tolerance
• Respiratory depression (with opioids)
• Heart problems or seizures (with stimulants)

Long-Term Effects:
• Addiction and withdrawal symptoms
• Organ damage
• Mental health issues (depression, anxiety)

Legal Note:
• Taking any prescription drug without a doctor’s order is illegal and unsafe.


Cannabis (Marijuana)

What it is:
• A plant containing psychoactive compounds (THC) and non-psychoactive (CBD).

Common Forms:
• Dried flower (smoked or vaped), edibles, oils, concentrates.

Short-Term Effects:
• Altered perception of time and space
• Euphoria or relaxation
• Impaired memory, coordination, and decision-making

Long-Term Effects:
• Respiratory issues (if smoked)
• Impacts on attention and learning, especially in young brains
• Potential for dependency

Legal Status:
• Varies by state and country; often legal for medical use, sometimes for adults 21+ recreationally.


Key Takeaways

• All psychoactive substances can change how your mind and body function.
• Short-term effects may seem harmless but can lead to risky situations and poor choices.
• Long-term use or misuse increases health risks and addiction potential.
• Always follow legal guidelines and medical advice.
• Have a plan and practice refusal strategies to stay healthy and safe.

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Activity

Scenario Cards


Card 1: The After-School Hangout
You’re at a friend’s house after school. One friend pulls out an e-cigarette and says, “Just try one puff—everyone’s doing it.”

A) Take a puff to fit in.
B) Say “No thanks, I’m good,” and change the subject.
C) Tell them it’s gross but keep standing close.


Card 2: Lunchtime Locker Offer
At lunch, a classmate opens a pill bottle and offers you some prescription pills to feel “chill.” They say it’s no big deal.

A) Take one to see how it feels.
B) Refuse and explain you only take medicine with a doctor’s OK.
C) Say “Maybe later,” then leave it on your locker shelf.


Card 3: Game Night Challenge
During a weekend game night, friends pass around a beer. They dare you to take a sip so you don’t look like a “baby.”

A) Take a sip to prove you’re brave.
B) Hold your cup up, say “No thanks,” and grab a soda instead.
C) Pretend you drank it but dump it out later.


Card 4: Sleepover Sweet Treats
At a sleepover, someone offers you candy that’s secretly mixed with marijuana. They promise it’s harmless.

A) Eat it to be part of the group.
B) Say “No thanks, I don’t want to risk it,” and step away.
C) Take a piece but throw it away when they’re not looking.


Card 5: Weekend Road Trip
On a road trip, a friend hands you a cough syrup mix that can make you “high.” They encourage you to drink it now.

A) Drink some so you don’t seem uncool.
B) Refuse, say “I only use meds the right way,” and ask for water instead.
C) Keep the bottle but pretend to swallow a bit.


Instructions for Use:

  1. In small groups, read each card and discuss what each choice might lead to.
  2. Decide which response is the healthiest and why.
  3. Be ready to share your group’s top choice and reasoning with the class.
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Activity

Role-Play Scripts

Instructions for Pairs

  1. Choose one scenario script below.
  2. Assign roles: Role A (the peer offering a substance) and Role B (the student practicing refusal).
  3. Practice the dialogue, focusing on:
    • Clear “I” statements
    • Confident tone and body language
    • Maintaining eye contact
  4. Switch roles and repeat.
  5. After both rounds, discuss as a pair which phrases felt strongest and why.

Script 1: The Vape Offer

Role A (Friend): Hey, everyone’s trying this vape. Just one puff won’t hurt. Come on!
Role B (You): [Use an “I” statement] “No thanks, I’m good. I choose to keep my lungs healthy.”
Role A: Seriously, it’s just water vapor. Don’t be so boring.
Role B: “I care about my health, and I’d rather hang out without it.”


Script 2: The Mystery Gummies

Role A: I have these gummy bears—they’re super tasty. Want one?
Role B: “I appreciate the offer, but I don’t take things when I’m not sure what’s in them.”
Role A: Relax, they’re harmless. Everyone at school is eating them.
Role B: “I’m not comfortable risking it. Let’s grab some regular snacks instead.”


Script 3: The Red-Pill Challenge

Role A: My cousin gave me these pills—just pop one to feel awesome. Try it!
Role B: “No thanks. I only take medicine prescribed by a doctor.”
Role A: You’re such a worrywart. It’s no big deal.
Role B: “I have a plan to stay safe, and this doesn’t fit.”


Script 4: The Party Beer Dare

Role A: It’s just a sip of beer. Prove you’re not a baby.
Role B: “I’m sticking with soda tonight. I like keeping my judgment sharp.”
Role A: Everyone will laugh if you don’t.
Role B: “I care more about my choices than fitting in.”


Teacher Tips & Sentence Stems

  • Encourage students to speak slowly and clearly.
  • Remind them to stand tall and use open body language.
  • Offer sentence stems on a handout or board:
    • “No thanks, I’m good.”
    • “I choose to…”
    • “I only use meds when…”
    • “I’m not comfortable with…”
    • “I have a plan to stay healthy.”

After practice, ask pairs:

  • Which refusal felt most natural?
  • How did you handle pushback?
  • What could you say next time if they keep pressuring?
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Quiz

Substance Awareness Quick Quiz

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