A needle placed carefully on water, however, can be supported by the surface tension-the liquid responds in a way similar to a stretched membrane. Try it at home-see what you can get to float on water. One way to think of surface tension is in terms of energy. The larger the surface, the more energy there is.
The Airedale is the largest of the British terriers. They weigh 20â30 kilograms (44â66 lb) in fit condition and have a height at the withers of 58â61 centimetres (23â24 in) for males, with females slightly smaller. The American Kennel Club standard specifies a very slightly smaller dog.
They would wedge their way inside and bark at their prey until the farmer came to claim it. The Cairn Terrier male will reach heights between 10-13 inches and an average weight of 14-18 pounds. The female Cairn Terrier is slightly smaller, reaching heights between 9-12 inches and an average weight of 13-17 pounds.The Cairn Terrier has a weather resistant double coat. The top coat will feel rough to the touch, however the undercoat is quite soft.he Cairn Terrier is considered to be one of the oldest terrier breeds. They originated in the Scottish Highlands and the Isle of Skye. Cairn Terriers were originally lumped in with the Scottish Terrier and the West Highland White Terrier as one breed.