5-Second Rule Quiz

What did researchers at Rutgers University test in their study on the 5-second rule?

• Different types of bacteria

• Different types of flooring and foods

• Different cleaning methods

• Different types of packaging

How many different combinations of flooring and food were tested in the study?

• 64

• 128

• 256

• 512

How many times did researchers repeat each combination in the study?

• 10 times

• 15 times

• 20 times

• 25 times

What was the total number of experiments conducted in the study?

• 1,280

• 2,560

• 3,840

• 5,120

Which food showed the highest amount of bacterial contamination?

• Gummy bears

• Bread

• Buttered bread

• Watermelon

What factor did researchers conclude affects how much bacteria food picks up?

• Color of the food

• Moisture content of the food

• Size of the food

• Shape of the food

Which type of flooring is hypothesized to lead to the least amount of bacteria transfer?

• Carpet

• Wood

• Stainless steel

• Ceramic tile

Which type of surface yielded the greatest bacterial contamination according to the text?

• Stainless steel

• Ceramic tile

• Carpet

• Wood

What was the result of the bacterial contamination test on wood surfaces?

• Consistent

• Inconsistent

• High contamination

• No contamination

Why does carpet absorb less moisture from food compared to non-porous surfaces?

• Carpet is non-absorbent

• Carpet has gaps between fibers

• Carpet is smoother

• Carpet is coated with bacteria