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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.
Food Web: Within an ecosystem, there are many different food chains. Some organisms may be involved in several of the food chains at the same time. So a number of food chains
make a list of food item used at home .categorize them as healthy food [energy giving, body building and protective food] and unhealthy food [fried and greasy]
in a reaction 5.3g of sodium carbonate reacted with 6g of ethanic acid. theproducts were 2.2 g of carbon dioxide , 0.9g water and 8.2 g of sodium ethanoate, show that these observa
On the day of the summer solstice in the Southern Hemisphere, the sun can be seen overhead at what location around the globe? At Tropic Of Capricorn
Explain the Types of White Blood Cells White blood cells are actually a whole collection of different cells that work together to destroy bacteria and viruses. You may recall s
What is shale? It is a fine-grained, earthy, sedimentary rock like clay, but produced in thin layers.
Explain the Autoregulation function of kidneys The kidneys possess the property of autoregulation. This means that the blood flow in the kidneys remain constant. It is independ
Pollution Now-a-days, you might have heard every one talking about pollution. What does pollution mean? Pollution is the addition to the environment (air, water, soil) of subst
What are the functions of insulin? 1. Promotes glucose transport into all cells of the body except brain. Rapid transport of glucose into the cells decreases the blood glucose
LASER stands for Light Amplification by Stimulated Emission of Radiation: It's a fairly long string of words. Well, don't let it stop you from reading further. What we wish t
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