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Demonstrating an eclipse of the moon
Use a flash light or a lighted candle in a darkened room to show the sun. Hold an 8 cm rubber ball in one hand to show the earth. Hold a 2-cm ball in the other hand to show the moon. Hold the ball demonstrating the earth in the beam of light from the flash light and observe the shadow cast by the earth. Next pass the smaller ball or moon at the back the earth into the shadow. The moon will be in eclipse while it passes by the earth's shadow.
Define the term Bel Bel, the unit of measurement of sound, is named after Alexander Graham Bell; Bell was the inventor of the telephone, but for some curious reason, is spelt w
Belt Freezing The first mechanized air-blast freezers consisted of a wire mesh belt conveyor in a blast room for continuous product flow. Uniform product distribution over the
Describe the factors which decide the broad area of scientific activity/
Explain the Functions of the Kidney The functions of the kidneys, as you already know, are to form urine and to pass urine for excretion, maintain water and electrolyte balance
What is the difference among the geoid and the surface of the earth? The geoid is an visualize surface that equal with the average (mean) sea level around the world. Thus, i
Water: We all know that safe drinking water is essential for good health. Many of the diseases in our country are due to lack of supply of safe drinking water. ~nfortunatel~
Explain Physiology of Ageing Ageing in simple terms refers to a physiological process that occurs in an organism as it gets older Ageing physiologically refers to the impaired
Explain the Inulin Clearance Test Inulin is a complex polysaccharide found in specific plant roots. In the test, a fixed amount of inulin is infused into the blood at a constan
Explain the Reflex control - Movements of Gall Bladder Reflex control: During digestion, reflex stimulation of gall bladder takes place. Entry of acid into the duodenum reflex
what is stomach?
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