Experiment of floating bodies, Floating bodies Fill the overflow can wi...

Floating bodies Fill the overflow can with water and let it run out unless the surface is level with the spout. Select a piece of wood that floats half or more submerged in the

Handling of chemicals, Handling of Chemicals : Laboratory technicians who ...

Handling of Chemicals : Laboratory technicians who work in laboratories, need to be aware of the potential danger of the substances they handle. In the case of those working in ch

Brain, Brain: The centre piece of  the nervous system is the brain wh...

Brain: The centre piece of  the nervous system is the brain which  IS possibly the most organised form of matter known. It  is unlike any other organ of  the body, as ~t alon

Describe the soil factors in fertilizer requirements, Describe the Soil  f...

Describe the Soil  factors in fertilizer requirements Physical condition of the soil, soil fertility  and soil reaction are three important soil factors.  A poor physical condi

Why cameleon change colour?,

Experiment to show where air may be found, TO SHOW WHERE AIR MAY BE FOUND ...

TO SHOW WHERE AIR MAY BE FOUND 1) Plunge a narrow-necked bottle, mouth down into ajar of water. Slowly tip the mouth of the bottle in the direction of  the surface of the water

A simple balance of pulley, A simple balance Suspend a ruler by loops o...

A simple balance Suspend a ruler by loops of cord a short distance above a table top, as shown in the diagram. When the ruler is in balance, place identical coins in dissimilar

Define the mechanism of hormone action, Define the Mechanism of Hormone Act...

Define the Mechanism of Hormone Action Hormones affect cell function either by activating cyclic AMP (Adenosine monophosphate) mechanism or by activating genes. You may recall

Studying the main parts of a flower, Studying the main parts of a flower ...

Studying the main parts of a flower Examine specimens of large simple flowers such as "tulips or lilies". Count the stamens & observe how they well arranged about the central p

Poisonous and infectious substances , Poisonous and Infectious Substances :...

Poisonous and Infectious Substances : These are the substances liable to cause death or serious injuries to health, if swallowed or inhaled or allowed to come in contact with skin