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Lifting the water surface
Bend the pointed end of a pin or use a piece of fine wire to make a hook. File the point of the hook unless it is very sharp. Put your eye on a level with the surface of the water in a drinking glass. Put the hook under the surface of the water and gently increase the point to the surface. If you are cautious the point will not penetrate the surface film but will lift it slightly upwards.
what happens if one animal is not there
Enzyme immobilizatio:- The attachment of an enzyme to a solid matrix so that it cannot escape but can still act on its substrate. .
Eye Injuries : The eyes are a particularly vulnerable part of your body. Safety glasses, goggles or a face shield are a 'must' for any experiment where there is any , danger of sp
Jupiter Jupiter is the largest planet of the Solar System. If Earth were placed on the face of Jupiter, it would look like a 50 paise coin on a dinner plate. It weighs mor
Fire Barriers : When a fire starts in a building it spreads quickly by: a) Radiation - Intense heat radiates to neighbouring surfaces which are rapidly heated to ignition poi
What is Soil Taxonomy The concept of soils as natural bodies was first developed by Russian soil scientist V.V Dokuchaev and his associates when they noted the relationship p a
The Water Cycle Heat some water unless it is near the boiling point. Place it in a drinking glass and rotate the glass so as to moisten the sides right to the top. Place some v
Measuring atmospheric pressure with a rubber sucker The force needed to pull the sucker away from a smooth surface can be found by using a spring balance. The area on which the
physical and chemical properties
why does the nose on some people turn cold and color purple
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