L6 - U18 - Lesson 1 - Mysteries

Lesson 1     Lesson 2     Lesson 3     Lesson 4     Lesson 5

ESL Kids & Teens Intermediate (B1-B2) Unit: Unsolved Mysteries

Explore the World’s Most Fascinating Unsolved Mysteries Through Engaging ESL Lessons!

About This ESL Unit

This exciting SuperEnglishESL.com unit takes students on a thrilling journey into some of history’s greatest unsolved mysteries. From missing ships and ancient manuscripts to conspiracy theories and legendary hijackings, students will develop their reading comprehension, critical thinking, and language skills while engaging in intriguing discussions.

Each lesson introduces a different mystery, encouraging students to speculate, analyze evidence, and present their own theories, making it perfect for one-on-one online lessons, group classes, or traditional classrooms.


Lesson Overviews

Lesson 1: The Voynich Manuscript – A Book No One Can Read

Students are introduced to one of the world’s greatest literary mysteries, the Voynich Manuscript, a book filled with undecipherable symbols and bizarre illustrations. Students will discuss various theories about its origins and meaning.

Lesson Features

✔️ Warm-up: Articulation game – students describe words until others guess
✔️ Reading & Discussion: The history and mystery of the Voynich Manuscript
✔️ Vocabulary Focus: decipher, enigma, intrigued, speculate
✔️ Grammar & Sentence Structures: Phrasal verbs with fall (fall apart, fall for, fall behind, fall through)
✔️ Interactive Elements: Students debate theories about the manuscript
✔️ Real-Life Applications: Understanding the importance of language decryption and historical mysteries


Lesson 2: The Mary Celeste – The Ghost Ship

Students dive into the unsolved disappearance of the crew aboard the Mary Celeste, a ship found floating with everything intact—but no one aboard. They will explore piracy theories, storms, and alien abductions.

Lesson Features

✔️ Warm-up: 20 Questions guessing game
✔️ Reading & Discussion: The mystery of the Mary Celeste and its ghostly legend
✔️ Vocabulary Focus: vanish, deserted, seaworthy, credible
✔️ Grammar & Sentence Structures: Phrasal verbs with give (give in, give away, give up, give back)
✔️ Interactive Elements: Role-play as investigators solving the case
✔️ Real-Life Applications: Understanding maritime history and missing-person cases


Lesson 3: The D.B. Cooper Hijacking – The Man Who Vanished

Students analyze the only unsolved hijacking case in U.S. history, where a mysterious man known as D.B. Cooper parachuted from a plane with a bag full of money—never to be seen again.

Lesson Features

✔️ Warm-up: Preposition gap-fill challenge
✔️ Reading & Discussion: The story of D.B. Cooper and theories about his fate
✔️ Vocabulary Focus: hijack, comply, ransom, succumb
✔️ Grammar & Sentence Structures: Phrasal verbs with hold (hold up, hold on, hold out, hold against)
✔️ Interactive Elements: Students act as detectives, forming theories about what happened
✔️ Real-Life Applications: How security measures in air travel changed after this event


Lesson 4: Area 51 – Conspiracy Theories and Alien Secrets

This lesson explores Area 51, the top-secret U.S. military base at the center of UFO and alien conspiracy theories. Students debate whether the government is hiding alien spacecraft or simply testing military technology.

Lesson Features

✔️ Warm-up: Discussion on future dreams and aspirations
✔️ Reading & Discussion: The mystery of Area 51 and claims of hidden UFOs
✔️ Vocabulary Focus: conspiracy, propulsion, revelation, traction
✔️ Grammar & Sentence Structures: Phrasal verbs with keep (keep up, keep away, keep at, keep out)
✔️ Interactive Elements: Students debate and present their own theories
✔️ Real-Life Applications: Understanding how conspiracy theories spread and influence society


Lesson 5: The Dyatlov Pass Incident – Mystery in the Mountains (Assessment Lesson)

Students review all vocabulary, grammar, and reading skills by discussing the Dyatlov Pass Incident, where nine hikers mysteriously perished under unexplained circumstances in the Russian mountains.

Lesson Features

✔️ Warm-up: Mystery discussion – what makes an event mysterious?
✔️ Assessment Tasks:

  • Vocabulary matching & fill-in-the-blanks
  • Grammar exercises on phrasal verbs
  • Listening and comprehension activities
  • Reading & Discussion: Examining scientific vs. supernatural explanations
    ✔️ Interactive Elements: Debate – What is the most likely explanation?
    ✔️ Real-Life Applications: Discussing how investigators solve cases using evidence

Who Is This Unit For?

ESL learners at B1-B2 levels (Intermediate to Upper-Intermediate)
Kids and Teens in online 1:1 lessons, group classes, or traditional classrooms
ESL teachers looking for exciting, discussion-based, and interactive lessons

Downloadable Materials

📄 Lesson previews & worksheets
🎲 Games & vocabulary activities
📚 Reading passages & discussion questions
🔊 Pronunciation & sentence-building exercises


Teacher Tips

📌 Encourage students to share their own mystery stories to activate prior knowledge
📌 Use videos, images, and real-life articles to enhance engagement
📌 Organize a final debate where students argue for their favorite mystery theory


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