This lesson is taught out loud.

A teacher will read it to you, and the page will keep up. You will be asked things — take your time answering. Headphones are better, but everything is written on screen too.

The Lost World · Arthur Conan Doyle

Chapter 5 Trapped in the Lost World

Novel pages 30–36 · Egyptian Baccalaureate, 2nd Year

The story so far · after Chapter 4, Into the Unknown

The party went up the Amazon by launch, then canoe, then on foot. They saw a huge grey flying shape — and gave three different accounts of it. They found the red cliffs exactly as Maple White drew them, felled the tree on the rock tower to make a bridge, and crossed. Then Gomez pushed the bridge into the chasm: Pedro Lopez had been his brother, and Roxton had destroyed him. Zambo stayed loyal below and passed food and ammunition across on a rope. Four men, on a plateau, with no way down.

Chapter 5 · Trapped in the Lost World

Our first task was simple: find water and a safe place to camp. We followed a small stream into the forest and built a rough shelter in an open area surrounded by thorny branches. Lord John called it “Fort Challenger”. Professor Challenger pretended to dislike the joke, but I noticed that he did not suggest a different name. The plateau was unlike any place I had ever seen. Some plants looked familiar, while others seemed larger or older in form. Insects of brilliant colors moved through the air. Every distant sound made us stop and listen.

Another discovery was even more disturbing. We heard a constant harsh crying from a rocky hollow and crawled forward to investigate. Below us lay a swampy basin filled with pterodactyls. Hundreds of them crowded around pools of green water. Young animals moved between leathery eggs, while large adults rested on rocks with folded wings. For Challenger and Summerlee, it was a scientific treasure. They whispered excitedly about wings, teeth, nesting behavior, and species. Lord John and I were more interested in the animals’ sharp beaks and watchful eyes.

We tried to withdraw quietly, but one creature saw us. Its cry was answered by others. In seconds the sky seemed full of wings. “Run!” Lord John shouted. We raced towards the trees. Beaks snapped near our heads. Wings struck our shoulders. One pterodactyl stabbed me in the neck with its beak. Lord John’s coat was torn. Challenger was knocked down. At last Lord John fired his rifle and the attack weakened enough for us to escape beneath thicker branches.

When we returned to Fort Challenger, we found another problem. Something had entered the camp while we were away. Food tins had been crushed. A wooden ammunition box had been broken. Supplies were scattered across the ground. There were no clear footprints. “Whatever did this was strong,” I said. “And clever enough to enter without breaking the thorn wall,” Lord John added. A large branch hung over one side of the camp. Something could have climbed through the tree. That night we kept two fires burning and took turns on watch.

In the following days we explored carefully. We saw more iguanodons, giant insects, strange birds, and tracks we could not identify. Once, at dusk, a huge shadow moved between the trees. It was too large to be any modern animal I knew. Despite the danger, Challenger was happier than I had ever seen him. The plateau was proving his story in every direction. Summerlee, now convinced that prehistoric life had survived, became just as energetic. Their arguments continued, but the subject had changed. They no longer argued about whether the lost world existed; they argued about how to classify everything inside it.

Lord John focused on survival. He chose safe paths, watched the wind, studied animal tracks, and never allowed us to walk carelessly into thick cover. I tried to do both jobs: observe and survive. I was a reporter, and I knew that if we ever returned to London, people would want a clear record of what we had seen. But returning was still the great question. Every day we went to the cliff and called to Zambo. He remained at his little camp below, faithful to his promise. Some of the Indigenous guides had gone back toward the river, carrying letters from me and requests for strong rope. We could only hope help would eventually arrive. Meanwhile the plateau held another mystery. More than once we had the feeling that we were being watched. A shadow moved high in a tree and disappeared. We heard a clicking call unlike any bird. Food vanished from places we thought were secure. Once Lord John found a footprint that looked disturbingly human, but broader and heavier. “There may be people here,” I said. “Or something close to people,” Challenger replied. Summerlee frowned. “Let us not create a theory before we have evidence.” It was good advice. Yet the forest seemed to be giving us a warning.

One afternoon I climbed a high tree at the edge of a clearing. From the upper branches I hoped to see more of the plateau and perhaps discover a possible escape route. The view was astonishing. The plateau was far larger than I had imagined. Forest covered most of it, but in the center lay a broad lake shining in the sun. On the far side I could make out a line of cliffs with dark openings that might be caves.

Question 5 · wonderful and dangerous, in that order, every time

The answer to this question is in the chapter’s shape, not in any one sentence. Each wonder is followed immediately by its own danger.

Wonderful

A breeding herd feeding peacefully in a broad glade — adults AND young ones, watched in silence for several minutes. This is the moment the expedition succeeds and Summerlee says “You were right.”

Dangerous

The next time they return, one of the great plant-eaters has been torn apart. “Deep claw and tooth marks showed that a far more dangerous animal lived nearby.” The peaceful animal is proof that something worse is here.

Four pairs, in four pages. An answer to question 5 that names the pattern — and then gives two examples of it — is worth far more than one that lists nice things and frightening things in separate paragraphs.

Question 4 · the answer most students get wrong

The obvious answer is that Summerlee stops being the sceptic. He “forgot to argue” and said “You were right.” Converted. Finished.

The chapter contradicts that two pages later: “Their arguments continued, but the subject had changed. They no longer argued about whether the lost world existed; they argued about how to classify everything inside it.”

And when the strange footprint turns up: “Let us not create a theory before we have evidence.”

He did not change sides. His doubt moved to the next unproven claim — which is what scepticism is for. It is a method, not a personality, and it does not switch off because one question has been settled. Write that, and you have also answered question 4 of the final paper: why Challenger’s strongest sceptic becomes one of his main witnesses.

The other lines to keep

“For Challenger and Summerlee, it was a scientific treasure… Lord John and I were more interested in the animals’ sharp beaks and watchful eyes.” — question 6, in one sentence. Same swamp, two different objects.

“They nearly killed us.” “That does not make them less remarkable.” — and Malone’s summary of both scientists: “The scientists collected every fact they could, even when the facts had teeth.”

“And clever enough to enter without breaking the thorn wall.” — strong is an animal; clever is something else. And “Smoke meant fire. And fire usually meant people.”

In the exam · Circle the qualifiers before you write

It looks like this: JRE 1 — “has Challenger’s scientific claim been FULLY proved TO THE OTHER EXPLORERS?”

Always: find the small words that limit the question, because they usually carry the answer. Here there are two. “To the other explorers” — yes, plainly; Summerlee said so out loud. “Fully proved” — no: they have no specimen, no photograph anyone in London would accept after the last time, and no way down. Proved to four men on a cliff is not proved. The last two chapters of the novel exist entirely in the gap between those two answers, and an answer that spots the gap is worth twice one that simply says yes.

1 · Chapter Summative — eight questions

No key is printed, so each answer carries the sentence it was decided from.

1. Explain — Explain how the iguanodons provide strong evidence that Challenger’s story is true.

They are seen in daylight, at close range, by all four men at once, and watched in silence for several minutes — so they cannot be a trick of light or a single unreliable witness. They are also recognisably the animal from Maple White’s drawing, which turns that drawing from a sketch into a record. Most importantly there are “adults and young ones”: a breeding population, not one stray survivor, which is exactly what Challenger’s theory of an isolated plateau predicts.

“There were adults and young ones. For several minutes we watched them in silence. ‘You were right,’ Summerlee said at last.”

2. Explain — What happens at the pterodactyl swamp, and why are the explorers forced to escape quickly?

They find a swampy basin holding hundreds of pterodactyls with young and eggs, and lie watching it. They try to withdraw quietly, but one creature sees them and its cry is answered by the others, so the whole colony rises at once — “in seconds the sky seemed full of wings”. They have to run because the numbers make it unwinnable: beaks snap at their heads, Malone is stabbed in the neck, Challenger is knocked down, and only a rifle shot weakens the attack enough for them to reach thicker branches.

“We tried to withdraw quietly, but one creature saw us. Its cry was answered by others.”

3. Explain — Explain what the damaged supplies at Fort Challenger suggest about another danger on the plateau.

Two things, and the second is the frightening one. Crushed tins and a broken ammunition box show something strong. But there were no clear footprints and the thorn wall was not broken — so it did not force its way in, it got round the defence, probably by climbing along the branch that hangs over the camp. That means something on the plateau is not merely powerful but capable of solving a problem, which is a different kind of danger from a large animal.

“And clever enough to enter without breaking the thorn wall,” Lord John added.

4. Analyze — Analyze how Summerlee’s reaction to the prehistoric animals shows a change in his role as the expedition’s skeptic.

The change is not that he stops doubting — it is that his doubt moves on. At the glade he “forgot to argue” and said “You were right”, accepting the evidence in front of him without conditions. But the arguments continue: “They no longer argued about whether the lost world existed; they argued about how to classify everything inside it.” And when a strange footprint appears he is instantly the sceptic again — “Let us not create a theory before we have evidence.” He has behaved exactly as a scientist should: conceded the claim that was proved, and demanded proof of the next one. That is why his agreement is worth something, and why he can still be trusted as a witness.

“Their arguments continued, but the subject had changed.”

5. Analyze — How does the chapter present the lost world as both wonderful and dangerous?

By pairing them, repeatedly and in that order. The iguanodons feed peacefully in a glade, and the next visit finds one torn apart by something carnivorous. The pterodactyl rookery is “a scientific treasure” and, minutes later, a sky full of wings that nearly kills them. Fort Challenger is a safe camp until something enters it without breaking the wall. And the view from the high tree shows a lake shining in the sun — and a thin line of smoke. The plateau is never wonderful instead of dangerous; it is both at once, and the chapter never lets a wonder stand for more than a page.

“The scientists collected every fact they could, even when the facts had teeth.”

6. Analyze — Analyze the contrast between the scientists’ excitement and Lord John’s practical response during the pterodactyl encounter.

They are looking at the same animals and seeing different objects. “For Challenger and Summerlee, it was a scientific treasure” — they whisper about wings, teeth, nesting behaviour and species. “Lord John and I were more interested in the animals’ sharp beaks and watchful eyes.” The scientists are classifying; Roxton is assessing a threat, and he is the one who shouts “Run!” and fires the shot that ends the attack. The contrast is not that one is cleverer: without the scientists there is no discovery, and without Roxton there is nobody left to report it. The novel keeps both, and Summerlee bleeding and still saying “Remarkable” is the joke and the point at once.

“‘Remarkable?’ Lord John replied. ‘They nearly killed us.’ ‘That does not make them less remarkable.’”

7. Evaluate — Evaluate the explorers’ decision to continue studying the plateau while trapped instead of focusing only on escape.

Defensible, and the chapter gives the reasons on both sides. For: they had already established there was no way down that they could reach, so time spent staring at the cliff would have bought nothing; letters and requests for rope had gone back with the guides, so the escape plan was running whether they explored or not; and if they ever did get home, evidence would be the only thing that made the journey worth anything — Malone says exactly this about a clear record. Against: exploring is what nearly killed them at the rookery, and they lost supplies to the camp raid partly because they were away. Judgement: continuing to explore was right, but doing it as recklessly as they did at the swamp was not, and the two things should be judged separately.

“I was a reporter, and I knew that if we ever returned to London, people would want a clear record of what we had seen.”

8. Evaluate — Evaluate their decision to approach the pterodactyl rookery. Were they careful enough for the level of danger?

No. They took some care — they crawled forward, they watched from above, and they tried to withdraw quietly — but the care was aimed at the wrong risk. They had already seen a plant-eater torn apart and knew large dangerous animals were about; the rookery held hundreds of creatures with young and eggs, which is the situation in which any animal is most aggressive; and there was no plan for being seen, no lookout, and no agreed line of retreat. What saved them was a rifle, not preparation. A fairer judgement is that the decision to observe was reasonable and the method was not — and Roxton, the one man who read the beaks rather than the species, is the one who got them out.

“Lord John and I were more interested in the animals’ sharp beaks and watchful eyes.”

Novel · Chapter 5 · JRE question 1

Spend about 6 minutes

2.1

Justify your answer with clear reasoning about why the discoveries are or are not enough, using at least two discoveries from the chapter.

By the end of this chapter, has Challenger’s scientific claim been fully proved to the other explorers?

[4]

The mark weights shown are teaching weights, worked out from the textbook’s own task types and its Justify–Reason–Evidence structure. They show you how a full answer is built and what an examiner is looking for. They are not a published ministry mark scheme.

The spine · everything up to Chapter 5

The final assessment asks for evidence from at least three different chapters. This is where you collect it — nothing beyond Chapter 5 is shown, so nothing is spoiled.

Evidence versus belief

Feeds: Novel Summative Q10 — trace this from Challenger’s first claims to the living pterodactyl in London.

Ch 1Challenger has photographs, sketches and “a few pieces of evidence” — and refuses to say where they came from. McArdle: “Most people think he is either mistaken or lying. Find out which.” The novel opens on a claim nobody can check.

Ch 2The novel’s clearest statement of how evidence works: “One item alone might have been explained away. Together they were much harder to dismiss.” Three independent things — a dead man’s drawing, a damaged photograph, a piece of bone — pointing the same way. And Challenger’s answer to belief: “I do not believe. I know.”

Ch 3Summerlee states the scientific standard in one line: “provide proof that can be tested.” Challenger’s answer is not more argument but an invitation to come and look — which is what finally moves the claim from untestable to testable. “There is nothing amusing about evidence.”

Ch 4One event, three reports. Challenger: “A pterodactyl!” Summerlee: “A large bird.” Roxton: “I cannot tell you what it was, but I can tell you I have never seen a bird shaped like that.” The non-scientist gives the only scientific answer — he reports exactly what he saw and no more. And Summerlee on the cliffs: “That proves the cliffs exist. Nothing more.”

Ch 5The claim is proved to the four of them — iguanodons watched for minutes in daylight, a rookery of hundreds — and Summerlee says so. But it is proved to nobody else: they have no photographs anyone would accept, no specimen, and no way down. And the theme survives the proof, because Summerlee immediately applies it to the next claim: “Let us not create a theory before we have evidence.”

What courage actually is

Feeds: Novel Summative JRE Q1 — can Malone be described as a hero by the end?

Ch 1Two definitions collide in one conversation. Malone’s: do something brave so Gladys will have me. Gladys’s: “He acts because courage is part of his character.” The whole novel is the distance between those two.

Ch 2Malone’s first act that matches Gladys’s definition, and nobody is watching Gladys. Bleeding on the steps with a witness and a policeman, he tells the truth against his own interest: “It was partly my fault. I will not press charges.” He does it because it is right, not to impress anyone — which is exactly what she said courage was.

Ch 3Now he applies her standard to himself, unprompted: “I wanted to say that I was doing it for her, but I remembered her earlier words. A brave act done only to win approval was not true courage.” In Chapter 1 the standard was set for him. Here he enforces it on himself, and gives up the credit.

Ch 4Courage becomes ordinary and physical: four men crossing a chasm on a felled tree, Challenger first, Roxton last “with a balance and calm that I could hardly believe”. Nobody is watching, nobody is being impressed, and it still has to be done.

Ch 5Courage is now routine and unglamorous: two fires and turns on watch, safe paths chosen, nobody walking carelessly into thick cover. And a stranger kind — “The scientists collected every fact they could, even when the facts had teeth.”

London against the unknown

Feeds: Novel Summative Q9 — how the contrast develops the novel’s ideas about courage, discovery and identity.

Ch 1“London suddenly seemed too safe.” Safety is the problem, not the goal — which is the reversal the whole book is built on.

Ch 2The reversal begins: “As I stepped into the London street, the ordinary traffic seemed suddenly unreal.” The known world starts to look like the strange one.

Ch 3London is left behind for good, and Challenger measures the distance in stages: “we are going into a country that very few outsiders have seen. Later we will go beyond even that.” Two frontiers, not one.

Ch 4The frontier is crossed and then sealed behind them: “We had reached the lost world. And now we could not leave it.” The two worlds are no longer connected by anything but a rope and one loyal man.

Ch 5The lost world turns out to have two faces at once, and the chapter alternates them: iguanodons feeding peacefully, then one of them torn apart; a scientific treasure of pterodactyls, then a sky full of wings; a lake shining in the sun, then a thin line of smoke beside the caves.

Whether the expedition needs everyone

Feeds: Novel Summative JRE Q3 — is teamwork the main reason the expedition succeeds?

Ch 3The team is assembled, and the novel makes a point of how unlike each other they are: “We were different in age, character, and purpose. Yet we now shared one question.” Challenger has the knowledge, Summerlee the doubt, Roxton the practical skill and the Amazon, Malone the record — and Zambo and the river men the means to get there at all.

Ch 4The team is tested for the first time and holds — Roxton defuses the scientists’ arguing, Challenger finds the route up, and it is Zambo, who is not on the plateau at all, who keeps them supplied. The expedition’s survival already depends on someone the party barely counted as a member.

Ch 5The division of labour becomes explicit: Challenger and Summerlee collect, Roxton keeps everyone alive, Malone records, Zambo holds the only line to the world. Each is doing something none of the others would have done, and the party survives on all four at once.

Key Terms used in this chapter

From the novel’s own glossary on page 76. Only the words this chapter used are shown.

plateau — a high area of fairly level land, often surrounded by steep sides

prehistoric — belonging to the time before written history

pterodactyl — a flying reptile that lived in prehistoric times

iguanodon — a large plant-eating dinosaur that could walk on two or four legs

carnivorous — meat-eating

Keep reading — this lesson marks itself done automatically.