Question:
Goal: Using the air pump

Which of the following methods is more reasonable for accomplishing this goal?

OPTIONS:
- Make sure the T is immersed at least 5 inches in the water using gravity to drain the water into a bowl.
- Make sure the T is immersed at least 5 inches in the water using gravity to drain the water into a bucket.
Answer:
Make sure the T is immersed at least 5 inches in the water using gravity to drain the water into a bucket.

Question:
Goal: How can you keep swimming goggles cleaner longer?

Which of the following methods is more reasonable for accomplishing this goal?

OPTIONS:
- Wipe a smear of sulphuric acid on the inside of the goggles, then wipe it off, it will keep them cleaner longer.
- Wipe a smear of toothpaste on the inside of the goggles, then wipe it off, it will keep them cleaner longer.
Answer:
Wipe a smear of toothpaste on the inside of the goggles, then wipe it off, it will keep them cleaner longer.

Question:
Goal: To melt beeswax, you can

Which of the following methods is more reasonable for accomplishing this goal?

OPTIONS:
- Create a wooden bowl over a candle and place the beeswax in the bowl
- Create an aluminum bowl over a candle and place the beeswax in the bowl
Answer:
Create an aluminum bowl over a candle and place the beeswax in the bowl