Reading

Underground soldiers page 34

New words

 canaries - Birds

Carbon monoxide - invisible gas extremely dangerous 

Sandbags - Bags full of sand

Distinctive - obvious

Detonated - Explode

Haul- Carry

New words

Cathedral-big  

My summary 

People would usually go underground and put explosive bombs to explode the enemy. They would use canaries to sing and when the bird stopped singing the soldiers  would run out because of a dangerous gas. 

My summary

Comprehension Questions 

 What was the ground made of in Arras? Add a picture to help explain. Sand stone because it was easy to dig.

What did miners use to dig the tunnels? Add pictures. Shovel and pickaxe.

How would an enemy plane be able to spot where a tunnel was being dug?Sandstone on the dirt and dirt pile up.

Why was tunneling “a race against time”?Because both countries would dig tunnels.

Why did miners block the tunnel with sandbags after putting explosives in the end of the tunnel? So they can’t die.

In what ways could miners or soldiers be killed because of the tunnels? (more than one answer)Carbon monoxide,too hot,counter mining.

What was the reason miners kept a canary or mouse in a cage inside the tunnel? So they would use it to sing and when it stops then they would run out because of a dangerous gas.

Comprehension Questions 

1`) What does “worked around the clock in 8 hours shifts” mean?

2) How big were the caverns? How do you know this?Cathedral-sized means big.

3) Why did the tunnels connecting the caverns need to be very wide? How wide would you estimate they were?

4) Why were these caverns kept a secret?So they would tell the enemy.

5) What was the purpose of naming the caves?