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Floating in different liquids
Obtain a tall, slender glass jar, test tube or bottle, and the following liquids: mercury, carbon tetrachloride, water and kerosene. You will also require a small iron or steel ball such as a ball bearing, or iron nut or bolt; a small piece of ebony or some other wood that sinks in water; a piece of paraffin wax; and a piece of cork. First pour some mercury into the glass jar, then some carbon tetra- chloride, some water and some kerosene.
Experiment of Making a model of a simple flower By Using of modelling clay, coloured paper and toothpicks make 3D-dimensional models representing the parts of a typical flower.
1. A cyclist ascends a hill of height 120 meters. The mass of cyclist plus bicycle is 100 kilograms. His efficiency is 25%. How many Calories does he burn? 2. A hiker in the Swi
Explain the Anti-Diuretic Hormone (ADH) It is secreted by the pituitary gland and controls the ability of water to pass through the cells in the walls of the collecting ducts.
Decline of the Bronze Age Civilisation: We find that the great developments in production methods that came with the rise of early cities lasted only f6r a few centuries. The
Gases : Critical temperature is the A substance which has a critical temperature below 50°C, has a vapour temperature above which pressure of more than 3 bars absolute (highly
how does fungusreproduce
Explain the Categories of Nerves System The nerves are divided into two systems: sympathetic and parasympathetic. They constitute the autonomic system (auto: independent from t
Some potato cores were weighed and then placed into a dilute sugar solution. After 2 hours, they were taken out of the solution, dried on a paper towel and weighed again. The mass
what is weight of human in moon if his weight is 58 kg in earth?
Functions of the gall bladder Bile from the liver passes through the cystic duct to the gall bladder. The gall bladder acts as a reservoir of bile. By the absorption of water,
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