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essay writing examples
INTERNATIONAL BACCALAUREATE ESSAYS
Horizontal circular motion lab
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Aim: Determine the mass of a metal mass using the principles of horizontal circular   motion. Experimental Design: A stopper that is attached to a vertical mass will be swung in horizontal circular motion using a specially set up apparatus
Range of a rubber band
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Aim The aim of this experiment is to find how the amount of stretching, when shooting a rubber band, affects the length of the shot. Hypothesis When you stretch an elastic rubber band, you store potential elastic energy inside it
What are fiber optics?
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Fiber optics (optical fibers) are long, thin strands of very pure glass about the diameter of a human hair. They are arranged in bundles called optical cables and used to transmit light signals over long distances
Experiment to compare the radiation of heat from different objects
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Aim To observe the energy produced per second depending on the rate of cooling from the objects depending upon the relative ability of its surface to emit energy by radiation of  heat. Hypothesis The black body has an emissivity of 1 whereas the silver body has an emissivity of 0
Energy exploration project
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Energy can be stored in many forms as potential energy. It can be extracted through chemical and mechanical processes to get usable energy
Bow and arrow lab – efficiency
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Research Question: How does efficiency with which the bow transfers energy to the arrow depend on the mass of the arrow? Hypothesis: Efficiency will increase as the mass of the arrow increases, as Eff= Eout/ Ein. Variables: Independent The mass of the arrow
Determining the specific heat of three metals
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Method of mixtures: When different parts of an isolated system are at different temperatures, heat will flow from the part of higher temperature to the part of lower temperature. Therefore, from conservation of energy: Heat lost by hot object = Heat gained by cold object
Determining acceleration of free fall by of a simple pendulum.
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Introduction In this investigation I am going to use the simple pendulum to determine the value of acceleration of free fall. The method involves setting pendulums of certain lengths in motion and timing the time taken for ten complete oscillations at that length
Design of a variable resistor
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Aim: Our aim is to find the most suitable length and thickness of wire for the variable resistor with a broken wire. We will determine the difference in resistance between three copper wires with different diameter, and three wires with different lengths (10cm, 15 cm 20 cm)
Bouncing balls
(1380 words) , Download 09 , Essay
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Research question: What is the relation between the height from which the ball falls and the time in which the ball bounces? How is the time dependent on the height? Variables: INDEPENDENT DEPENDENT CONTROLLED Height from which the balls are let freely Time in which the balls make 6 bounces Mass of each ball Surface on which the experiment is carried   Amount of 6 bounces     Value of gravitation Apparatus: 2 table tennis balls of different mass stopwatch [±0.05 s] measuring tape [±0
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