1. Questions and answers

2. 1 How Axel know that they had taken the wrong path?
The path was going up not down.
He saw animals and plants preserved in the rocks.
The rocks were smaller.

3. Because he couldn’t be sure until they reached its end.
2- The professor knew that the eastern path might have been the wrong path, why didn’t he go back?
Because he couldn’t be sure until they reached its end.

4. 3-How long did it take to reach the end of the eastern path?
5 days.

5. Because there was a blank wall.
4- Why did they come back from the eastern path?
Because there was a blank wall.

6. 5- Why did Axel fall down when he reached the crossroads?
Because he was thirsty and tired and there was no water.

7. 6- How do you know that the professor was a kind man?
He saved the last drops of his water for Axel.

8. 7- Why did Axel want to give up the journey?
Because there was no water.

9. 8- What did the professor tell Axel when he wanted to give up the journey?
They would walk one day in the western path or they would go back together.

10. 9- where did they find water?
In the western path on the other side of the wall.

11. 10- How did they get water from the underground river?
Hans made a hole by the pickaxe.

12. 11- Why did Hans cry in pain when the water hit him?
Because it was very hot.

13. 12- Why did they decide to leave the hole in the wall as it was?
To show them the quickest way down.

14. 13- How did the professor calculate their position?
By using his scientific instruments.

15. 14- Why did Axel feel pain in his ears?
Because of the air pressure.

16. 15- What did the Professor advice Axel to do when he felt pain in his ears?
To breathe quickly.

17. 16- Where were they on the 7th August?
They were 125k.m below the Earth’s surface and 845k.m from Iceland.

18. 17- How was Axel lost?
He took a wrong turning.

19. 18- How did Axel know that he was lost?
When he didn’t find the water beside him.

20. 19- What did Axel do when he was lost?
He called out .
He waited for his uncle and Hans.
He tired to go back but he fell down, cut himself and fainted.

21. 20- What happened to Axel at the end of chapter 5?
He lost his way.
He ran against the rocks, he fell down and cut himself.
The torch was broken and he fainted.