16Hit1600
Expression of IdeasMediumExplaining a cause

Expression of Ideas practice question

While researching a topic, a student has taken the following notes: - Old glass in church windows is often thicker at the bottom than at the top. - This was once thought to show that glass flows slowly over centuries. - Medieval glass was made by spinning a disc, which is thicker at the edge. - Glaziers usually set the thicker edge at the bottom for stability.

The student wants to explain why old window glass is thicker at the bottom. Which choice most effectively uses relevant information from the notes to accomplish this goal?

  1. A. Medieval glass was spun into discs that were thicker at the edge, and glaziers usually set that thicker edge at the bottom of the pane for stability.Correct
  2. B. Glass flows slowly over centuries.
  3. C. Old glass is thicker at the bottom.
  4. D. Church windows contain old glass.

Answer: A. Medieval glass was spun into discs that were thicker at the edge, and glaziers usually set that thicker edge at the bottom of the pane for stability.

The manufacturing method and the glaziers' habit.

Why the other answers are wrong

B. Glass flows slowly over centuries.
The discredited explanation.
C. Old glass is thicker at the bottom.
Restates the observation.
D. Church windows contain old glass.
No explanation.

More Expression of Ideas questions

Not affiliated with the College Board. SAT is a trademark of the College Board.