Reread the different bottle properties found underlined at the top of the first page. Which of the two properties tested is more important in making a good insulated bottle, silvered or evacuated and why?
Properties: Each bottle was designed with different properties:
Bottle A: Silvered, evacuated
Bottle B: Silvered, not evacuated
Bottle C: Not silvered, evacuated
Bottle D: Not silvered, not evacuated