![]() The west–east axis indicated above is about 2,400 km long extending from longitude 95°-120☎. Thus, the natural home of the tea plant is considered to be within the comparatively small fan-shaped area between Nagaland, Manipur and Mizoram along the Burma frontier in the west, through China as far as the Chekiang Province in the east, and from this line generally south through the hills to Burma and Thailand to Vietnam. Tea plants are native to East Asia and the probable center of origin of tea is near the source of the Irrawaddy River from where it spread out fan-wise into southeast China, Indo-China and Assam. These may be called tisanes or herbal infusions to prevent confusion with tea made from the tea plant.įurther information: History of tea and History of tea in China Botanical origin Tea plant ( Camellia sinensis) from Köhler's Medicinal Plants, 1897 They are the infusions of fruit, leaves, or other plant parts, such as steeps of rosehip, chamomile, or rooibos. The term herbal tea refers to drinks not made from Camellia sinensis. During the 17th century, drinking tea became fashionable among the English, who started to plant tea on a large scale in British India. Portuguese priests and merchants introduced it to Europe during the 16th century. ![]() It was popularised as a recreational drink during the Chinese Tang dynasty, and tea drinking subsequently spread to other East Asian countries. Īn early credible record of tea drinking dates to the third century AD, in a medical text written by Chinese physician Hua Tuo. Tea has a stimulating effect in humans primarily due to its caffeine content. There are many different types of tea some have a cooling, slightly bitter, and astringent flavour, while others have profiles that include sweet, nutty, floral, or grassy notes. After plain water, tea is the most widely consumed drink in the world. Tea is also made, but rarely, from the leaves of Camellia taliensis. Tea is an aromatic beverage prepared by pouring hot or boiling water over cured or fresh leaves of Camellia sinensis, an evergreen shrub native to East Asia which probably originated in the borderlands of southwestern China and northern Myanmar. Watch your storm brew, swirl, and dissipate.Longjing green tea being infused in a gaiwanįirst recorded in China in 59 BC, though probably originated earlier Turn the jar back up the right way and put it down on a flat surface.Turn the jar upside down and shake it vigorously in a circular motion.Everyone should tightly screw on the lid of their jar and make sure it doesn’t leak.We’re adding the sand to be able to see ours. Most tornadoes are transparent – they get their grey colour from the dust and mud they pick up from the ground. Add one drop of washing-up liquid to the water.Everyone should fill the jar with water until it’s around three quarters full. Will we be able to see them? How big will they be? How strong? Everyone should make some predictions about the tornadoes we’ll make in jars.Tornadoes can go at about 300mph, and travel about six miles in 10 minutes. Most of the big ones are found in the USA, where there are around 1,000 a year – the ones in the USA can be very destructive. We get them in the UK, but they’re so small that they rarely cause much damage. They’re formed when warm, humid air collides with cold, dry air. What are they? Do we get them in this country? Where are most of the big ones found? How fast can they go? Everyone should discuss what they know about tornadoes.
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