Misc: In 1853 First round-the-world trip by yacht (Cornelius---------- ). ?

Questions

The metal ______ will melt in the heat of your hands?

A Boeing 707 uses _____ _____ gallons of petrol in its take-off climb?

The study of soil is?

The Lie Detector was invented by John Augustus Larson in?

Another term for pure china clay is?