Mango's Explosive Chemistry Puzzle — Questions and answers

Read the full story

What was the name of the puzzle Mr. Harris gave the children?

Choices

  1. The Manganese Dioxide Mystery
  2. Mango's Explosive Puzzle ✓
  3. The Glowing Moss Challenge
  4. Turn Water into Foam

Answer: Mango's Explosive Puzzle

From page 2

What was Antoine Lavoisier's simple but revolutionary rule for understanding what things were made of?

Choices

  1. Mix everything quickly.
  2. Guess the ingredients.
  3. Measure everything. ✓
  4. Turn lead into gold.

Answer: Measure everything.

From page 4

What did Lavoisier and his wife Marie-Anne prove by weighing substances before and after burning them?

Choices

  1. That wood always disappears completely.
  2. That fire makes things lighter.
  3. That nothing was ever truly lost, it just changed form. ✓
  4. That ash weighs more than wood.

Answer: That nothing was ever truly lost, it just changed form.

From page 5

What is the foundation of all modern chemistry, based on Lavoisier's idea?

Choices

  1. That matter can be created and destroyed.
  2. That things are lost when they change form.
  3. That matter is conserved, not created or destroyed. ✓
  4. That only scientists can understand chemistry.

Answer: That matter is conserved, not created or destroyed.

From page 7

What did Clara realize the manganese dioxide was, shouting, "I've got it!"?

Choices

  1. A noble gas
  2. A type of food
  3. A catalyst ✓
  4. A new element

Answer: A catalyst

From page 8