The Invention of the Thermos Flask — Questions and answers
Read the full story
What are Naya and Rania doing at the beginning of the story?
Choices
- A. Cooking dinner in a kitchen.
- B. Looking at constellations through a giant telescope. ✓
- C. Swimming in a lake.
- D. Playing hide-and-seek.
Answer: B. Looking at constellations through a giant telescope.
From page 1
Where did Naya and Rania land after the room dissolved in a swirl of light?
Choices
- A. A futuristic spaceship.
- B. A cluttered workshop in Germany, around 1903. ✓
- C. A school playground.
- D. A busy city street.
Answer: B. A cluttered workshop in Germany, around 1903.
From page 3
Who did Naya and Rania meet in the workshop?
Choices
- A. A chef named Mr. Smith.
- B. An inventor named Reinhold Burger. ✓
- C. A scientist named Dr. Jones.
- D. A painter named Otto.
Answer: B. An inventor named Reinhold Burger.
From page 4
According to Burger, what was difficult before the invention of the thermos?
Choices
- A. Finding delicious food to eat.
- B. Keeping liquids at a consistent temperature. ✓
- C. Learning to read and write.
- D. Traveling to other countries.
Answer: B. Keeping liquids at a consistent temperature.
From page 5
How does the thermos flask keep things hot or cold, according to Reinhold Burger?
Choices
- A. It uses a small heater or cooler inside.
- B. It has two glass bottles, one inside the other, with a vacuum in between. ✓
- C. It is made of a special type of magical metal.
- D. It is kept warm by putting it in the sun.
Answer: B. It has two glass bottles, one inside the other, with a vacuum in between.
From page 6
What was a major challenge Reinhold Burger faced while inventing the thermos flask?
Choices
- A. He couldn't find enough glass to make them.
- B. He ran out of ideas for new inventions.
- C. Getting the vacuum just right was tricky, and some flasks exploded. ✓
- D. No one wanted to buy his thermos flasks at first.
Answer: C. Getting the vacuum just right was tricky, and some flasks exploded.
From page 7
What did Naya realize about the invention of the thermos?
Choices
- A. It was invented by only one person working alone.
- B. It was a team effort, like mapping constellations. ✓
- C. It was invented by accident without anyone trying.
- D. It was invented by a talking robot.
Answer: B. It was a team effort, like mapping constellations.
From page 8
Where did Naya and Rania find themselves after the light swirled again?
Choices
- A. In a bustling city market.
- B. Back in their mountaintop observatory. ✓
- C. On a sandy beach.
- D. Inside a magical library.
Answer: B. Back in their mountaintop observatory.
From page 9
What interesting fact did Naya share with Jia about the thermos flask industry?
Choices
- A. It mainly sells cold drinks.
- B. It makes less than a million dollars a year.
- C. It generates over 3 billion annually. ✓
- D. It only sells flasks for water.
Answer: C. It generates over 3 billion annually.
From page 10