BEHIND THE SCREEN · A2/B1 · 50 min

Chernobyl

A nuclear power plant explodes in the Soviet Union — and the government tells lies about it. Most of this story is true.

Today: tell the story of Chernobyl — a nuclear accident and the government's lies about it — learn which parts are really true, and use the past to explain a story's sequence and reasons. Grammar: so and because.
Before we begin — talk about it: Do you know what a nuclear power plant is? Do you think it is safe? And have you heard of Chernobyl before?

The words for today's story

These are the new words. Match each word (1–8) to its meaning (A–H). Say your answers out loud — "I think 1 is D" — then check.

Words

  1. an explosion
  2. radiation
  3. a firefighter
  4. dangerous
  5. a scientist
  6. to evacuate
  7. a lie
  8. the truth

Meanings

  • A. a person who studies how the world works
  • B. a person whose job is to stop fires
  • C. to make everyone leave a place because it isn't safe
  • D. something false that a person says on purpose
  • E. a sudden, violent burst that destroys things
  • F. what is really true and correct
  • G. invisible energy that can badly harm the body
  • H. able to hurt or kill you

1 = E (an explosion) · 2 = G (radiation) · 3 = B (a firefighter) · 4 = H (dangerous)

5 = A (a scientist) · 6 = C (to evacuate) · 7 = D (a lie) · 8 = F (the truth)

Now talk — out loud

Before we watch:
  • Which words are about the accident itself? Which words are about people's actions afterwards?
  • Use three of the words to guess: what do you think happens in this true story?

The story, in three parts

Craig Mazin's Chernobyl (HBO/Sky, 2019). Read each part. Then try the questions from memory, and talk about the last one. This is real history, so we tell it carefully and calmly. (There are spoilers — that is fine, we want to talk about it.)

Part 1 — The explosion

It is late at night on 26 April 1986. At a nuclear power plant called Chernobyl, in Soviet Ukraine, workers are doing a safety test. Something goes wrong, and there is a huge explosion. The roof of the building flies into the air. Radiation — dangerous, invisible energy — pours out into the sky.

Firefighters arrive quickly. Nobody tells them the truth: that this is a nuclear explosion, not a normal fire. So they climb onto the broken building with no special protection. The radiation there is extremely dangerous. Some of these men become very sick within hours, but at first, nobody explains why.

Near the plant, there is a town called Pripyat, where the workers' families live. Nobody warns the people there. Life continues as normal: people go to work, and children play outside in the street.

Quick check — answer from memory, then reveal:

1. What happened at the Chernobyl power plant, and what came out into the sky?

2. Why were the firefighters in so much danger?

1. A test went wrong and the reactor exploded; dangerous radiation poured out into the sky.

2. Nobody told them it was a nuclear explosion, so they had no protection from the radiation.

Talk about it:
  • The firefighters were not told the truth about the danger. Do you think this was a mistake, or something worse?

Part 2 — The town waits, and the world finds out

The government does not tell the people of Pripyat what has happened. For 36 hours, nobody leaves. Some people even walk to a bridge near the plant to watch the strange, glowing fire, because they do not know it is dangerous. Finally, buses arrive to evacuate the town. People are told to pack only a few things, because they will return in three days. They never go back to live there again.

Scientists arrive to study the accident, including a man called Valery Legasov. It becomes clear the situation is much worse than the government first said. Robots cannot work near the reactor because of the radiation, so brave workers must go onto the roof themselves, for only a minute at a time, to clean it by hand.

The Soviet government does not tell other countries about the accident. But in Sweden, hundreds of kilometres away, machines detect the radiation in the air. This is how the rest of the world first learns something terrible has happened.

Quick check — answer from memory, then reveal:

1. How long did people in Pripyat wait before they were evacuated, and what were they told?

2. How did other countries first find out about the accident?

1. About 36 hours; they were told to pack lightly because they would return in three days, but they never did.

2. Machines in Sweden detected radiation in the air, so people there realised something had gone wrong.

Talk about it:
  • The government did not tell people the truth quickly. What could have happened if they had told the truth sooner?

Part 3 — The trial and the truth

Later, there is a trial. The government wants to say the accident happened only because two workers made mistakes. But the scientist Legasov knows this is not the whole truth: the reactor itself had a hidden design problem. So, even though it is very dangerous for him, Legasov stands up in court and tells the truth about the design problem.

Because he told the truth, Legasov loses his job and his good name in his own country. Two years after the accident, he dies. His work helps other scientists fix the same problem in other reactors, so this exact accident cannot happen again in the same way.

The story ends by remembering the true human cost: the workers who died, the town that people could never live in again, and the danger that came from a government that did not want to tell the truth.

Quick check — answer from memory, then reveal:

1. What true thing did Legasov say at the trial?

2. What happened to Legasov because he told the truth?

1. He said the reactor had a hidden design problem, so the accident was not only the workers' fault.

2. He lost his job and his good name, and he died two years after the accident.

Talk about it:
  • Legasov loses almost everything because he told the truth. Do you think it was the right choice? Why?

Grammar: so & because

This is a true story with lots of causes and results — one thing happens, and because of it, something else happens. English has two simple, everyday words to join these ideas together.

because + reason = we use because to give the reason for something. It usually answers the question "why?": "The firefighters were in danger because nobody told them about the radiation."
result, so + result = we use so to give the result of something. The reason comes first, then so, then what happened next: "Nobody told the workers the truth, so they had no protection."
Feel the difference:
• because usually comes with the reason, and can go at the start or in the middle of the sentence.
• so always comes between the reason and the result — the reason is always first.

1. so or because?

Read the sentence and choose the correct word.

1. Nobody warned the town, people did not evacuate in time. (the result)

2. The firefighters got sick they had no protection from the radiation. (the reason)

3. Legasov knew the truth, he decided to speak at the trial. (the result)

1. so (gives the result)

2. because (gives the reason)

3. so (gives the result)

2. Complete the sentence

Put the correct verb form in the gap. Then read the sentence out loud.

1. The town evacuated because the radiation (be) too dangerous.

2. Legasov told the truth, so he (lose) his job.

3. Robots could not work near the reactor, so people (have) to clean it by hand.

1. was (reason clause, past simple)

2. lost (result, past simple)

3. had (result, past simple)

3. Complete the short text

Fill each gap with so or because. Read it aloud when you finish.

Nobody told the firefighters the truth, they had no protection. The town waited 36 hours the government did not want to admit the danger. Legasov knew the design was wrong, he told the court, even though it was dangerous for him.

so (result) · because (reason) · so (result)

Remember: the reason comes with because; the result comes after so.

The Real Story — is this all true?

Almost everything in this story really happened. The writer, Craig Mazin, studied the real history very carefully. But a few small parts of the story were changed to make better television.

☢️ The design problem was real

The reactor really did have a hidden design problem. The emergency shutdown button was supposed to make the reactor safe. But because of a mistake in the design, pressing that button first made the reaction more dangerous, for a few seconds, before it finally worked. This was a true, serious design fault, and some scientists had already worried about it before the accident.

The lies, and the true cost

The 36-hour wait before evacuating the town is true, and it is also true that Sweden — not the Soviet Union — first told the world about the radiation. Scientists agree that 31 people died directly and quickly because of the accident: mostly firefighters and workers who received a deadly dose of radiation. About 200,000 people worked on the clean-up afterwards.

How many people died later, from cancer caused by the radiation, is still argued about today. Some studies say around 4,000; other studies say many more. This is one part of the story where even scientists do not fully agree.

Talk about it:
  • Before this lesson, did you know the "safe" shutdown button was part of the problem?
  • Does it surprise you that scientists still do not agree on exactly how many people died?
  • Do you think governments today would be more honest in a situation like this? Why, or why not?

Speak

Do all three tasks out loud. Use the timer to keep talking.

Useful language: use because to give a reason ("the firefighters got sick because nobody warned them"), and so to give a result ("nobody warned them, so they got sick"). To give an opinion: "I think…", "In my opinion…", "For me…".
Time remaining: 3:00
Task A · Tell the story (3 minutes)

Tell the story of Chernobyl in your own words. Use these steps to help you: a safety test goes wrong and the reactor explodes → firefighters arrive with no protection → the government waits 36 hours to evacuate the town → scientists discover the hidden design problem → Legasov tells the truth at the trial.

Try to use some key words (explosion, radiation, firefighter, dangerous, scientist, evacuate, lie, truth) and so / because.

Task B · A hard choice (3 minutes)

Legasov tells the truth even though it is dangerous for him. Was this the right choice? What would you do in his place — stay quiet and safe, or speak up and lose everything? Say why.

Task C · Truth and safety (3 minutes)

Talk about honesty and danger. Use so and because.

Not sure what to say? Choose one:

  • Do you think nuclear power is safe? Why, or why not?
  • Have you ever told the truth even though it was difficult?
  • Do you think your government tells people the truth about danger?
  • What would you do if you saw something dangerous at your workplace?
  • A true story about honesty that you know.
  • Something you learned today that surprised you.

To finish

  1. This is a true story about lies and their cost. Why do you think people sometimes prefer a comfortable lie to a difficult truth?
  2. Legasov loses his job and his good name, but he saves other people's lives. Do you think this was a fair result?
  3. From memory: make one sentence with because (a reason) and one with so (a result), about the story. Why is each one correct?