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Another way to observe the buoyancy of water
Push a large cork to the bottom of a pail of water. Notice the quantity of force you have to apply to hold the cork at the bottom. Repeat the experiment using a fairly large empty bottle stopped with a cork. Is there any dissimilarity in the force needed?
Blow up a toy balloon and push it to the bottom of the pail. How does the force to hold it down compare with the force needed for the cork and bottle?
The effect of soil on growing things Get samples of a fertile soil from a flower or vegetable garden, from a wood, from a place where a cellar is life form dug, from a sandy pl
What kind of energy does a ball have while moving in the air?
Remove the wastes from the body - Function of Kidney Remove the wastes from the body. Many metabolic waste products such as urea, uric acid, ammonia and creatinine need to be f
Explain the Diaphragm The diaphragm is a muscular membranous partition separating the abdominal and thoracic cavities and functioning in respiration. It consists of a central
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Big Bang theory: The most important current theory for the origin of the universe is the Big Bang theory.According to this theory, the universe started with'a huge explosi
heat always from where things to where things
what is combustion?
what are the four characteristics of respiratory surface
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
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