• Common name : Tuberous Begonia • Scientific name : Begonia tuberhybrida • Family : Begoniaceae • Native land : Tropical South America and Southern Africa Tuberous begonia is a flowering perennial plant. The plants generally grow 12-18 inches tall. Tuberous begonias grow best in a location that has partial to full shade, but bright […]
Chalk is used, all over the world, by teachers and children to write with on blackboards. Chalk is a soft and porous sedimentary rock that is a form of limestone. It is composed of calcium carbonate, also known as a mineral, calcite. Originally, chalk was an ‘animal’. Many kinds of tiny plants and animals cover
• Common name : Wax Begonia • Scientific name : Begonia obliqua • Family : Begoniaceae • Native land : Mexico, Central and South America, Asia and South Africa It grows in moist sub-tropical and tropical climates. It is an annual terrestrial herb or under shrub plant. This plant grows mostly in shaded spots in
• Common name : Beetroot • Scientific name : Beeta vulgaris • Family : Amaranthaceae • Native land : Southern Europe Beets are herbaceous biennial or, rarely, perennial plants. The leaves are simple and the petals or the sepals are fused into a cup or tube. The roots are most commonly deep red-purple in colour.
Rubber is an elastic substance which can be stretched easily. There are two types of rubbers: natural rubber and synthetic rubber. Natural rubber is a sticky, elastic substance obtained from latex, a milky liquid. Latex is found in a few tropical plants (natural rubber), like shrubs, vines and trees of various kinds. Mostly, it is
• Common name : Oriental Beech • Scientific name : Fagusorientalis • Family : Fagaceae • Native land : Caucasus Mountains in Georgia, Azerbai-jan, and Armenia, Eastern Europe and Asia Minor It is an evergreen annual deciduous broad-leaved tree. It can grow up to 100 feet tall. It has a smooth pale grey bark and
• Common name : Ponytail Palm, Elephant-foot Tree • Scientific name : Beaucarnearecurvata • Family : Asparagaceae • Native land : Mexico and Central America. Beaucarnea is an evergreen flowering perennial. The plant resembles a palm. It is a slow-growing plant with a green rosette of recurved, pendulous leaves rising from its swollen trunk. It
Crystal is a type of hard substance that has special molecular arrangement. Crystals are highly transparent and have a geometrically regular shape. Some crystals are precious. For example, emerald and diamond while some commonly occur like ice crystals, salt, sugar crystals, etc. Crystal can be differentiated from glass by the fact that crystal contains lead
• Common name : Snap Bean, Green Bean, Kidney Bean • Scientific name : Phaseolus vulgaris • Family : Fabaceae • Native land : Central and South America It is a herbaceous annual plant, grown worldwide for its edible fruit, either the dry seed or the unripe fruit, both of which are referred to as
• Common name : Runner Bean, Multiflora Bean • Scientific name : Phaseoluscoccineus • Family : Fabaceae • Native land : South America, Asia (Pakistan) Runner beans are long, twining perennial vines that are usually grown as annuals for their showy flowers and their edible pods and seeds. The leaves are trifoliate and each leaflet
• Common name : Lima Bean, Butter Bean • Scientific name : Phaseoluslunatus • Family : Fabaceae • Native land : Central and South America Lima bean is a herbaceous perennial plant but is generally grown as an annual. The plant is bushy, which grows up to 3.25 feet. The white to yellow flowers, which
Fire is an occurrence related to burning. When a thing burns at a fast speed, it produces heat along with flames. These flames are called ‘fire’. The size of fire depends on the amount of combustible material and presence of oxygen. Oxygen is necessary for burning. Atmospheric lighting was the original source of fire on
• Common name : Baybean • Scientific name : CanavaliaRosea • Family : Fabaceae • Native land : Coastal areas of Australia, West Africa It is a perennial herb with a trailing or climbing stem growing 2-10 metres long and becoming somewhat woody with age. Blooming takes place with the greatest intensity between May and
• Common name : Basil/Tulsi • Scientific name : Ocimumbasilicum • Family : Lamiaceae • Native land : Africa and Asia (India, China, South-East Asia, and New Guinea) It is an annual herb. In India, basil is believed to be imbued with divine essence. A number of varieties exist today, ranging from tiny-leafed Greek basil
Fossils tell us what types of organisms lived millions of years ago. They give us an idea of early man, too. The study of fossils is known as ‘palaeontology’. There are three types of fossils: • It could be an organism’s actual preserved body, appearing like it originally looked.• It could be only the outer