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Floating a needle on water
Thoroughly dry a steel needle. Place it on the tines of a dinner fork and gently smash the surface of the water in a dish with the fork. If you are careful the needle will float as you take the fork away. Look at the water surface closely. Can you see how the surface film seems to curve under the weight of the needle ?
what does homogenious mean?
The water will not run through the cloth Choose a glass jar and a piece of cloth from an old sheet or handkerchief. Fill the jar with water. Wet the cloth well, stretch it over
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This project is intended to stimulate discussion during the lectures/tutorials on the choices of materials and manufacturing issues related to materials. We will discuss our "objec
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
how do i make a box being pulled up a rough incline by a rope connected to a pulley
QUESTION The school of behaviourism emerged in the 1910s, led by John B. Watson. Unlike psychodynamic theorists, behaviourists study only observable behaviour. Their explanatio
100 words
Advantages of Proteins Proteins are compounds of carbon, hydrogen, oxygen and nitrogen. On an average, proteins contain 16% nitrogen. Most proteins also contain sulphur and
Optical specificity Some enzymes exhibit absolute optical specificity for at least a portion of the substrate molecule. For example, the enzyme maltase catalyzes the hydrolys
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