The Science of Calcium in Our Bones — Questions and answers

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What mineral makes bones strong, according to Coach Rivera?

Choices

  1. Iron
  2. Calcium ✓
  3. Magnesium
  4. Potassium

Answer: Calcium

From page 2

Who was the "rockstar of science" that Petra imagined?

Choices

  1. Coach Rivera
  2. Reem
  3. Sir Humphry Davy ✓
  4. Petra's father

Answer: Sir Humphry Davy

From page 4

What did Sir Humphry Davy declare they would "conquer" today?

Choices

  1. A new element.
  2. An old puzzle.
  3. Lime. ✓
  4. The human mind.

Answer: Lime.

From page 5

What percentage of the calcium in our bodies builds our bones and teeth?

Choices

  1. One percent
  2. Ten percent
  3. Ninety-nine percent ✓
  4. Fifty percent

Answer: Ninety-nine percent

From page 7