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International Baccalaureate: Group 4 Projects
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If this force is greater than zero, such a fall is possible, and becomes more probable as the value of the force increases Given that Johnny's mass and the pitch of the roof are known, all that is left to discover is the coefficient of kinetic friction. This simple experiment involves dragging one material across another, and measuring the minimum amount of force required to do this at a constant velocity.
- Word count: 468
Discuss the ways in which the main characters respond to change in at least two of the literary works you read. (Things Fall Apart & Death of A Salesman)
He is afraid of being like his father, whom he views as weak, and he despises anyone like him, like his son Nwoye. When Christian missionaries arrive in Umuofia, Okonkwo immediately dislikes them, but the gentle 'new faith' immediately attracts susceptible Nwoye, and this causes for Okonkwo to shun his first son. When the white man tries to impose its culture on the Igbo culture and Umuofia does not go to war, Okonkwo kills himself. The one who responds to change in the most negative way in the book 'Death of a Salesman' is w***y Loman.
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The person has to get used to the conditions of eating, sleeping, working, communicating, entertaining...etc. even though he does not clearly know how. It takes him some time to be familiar with a new culture. This explains the disoriented feelings of most people being away from their own customs. For me, there have been a lot of changes in the language, the weather, the food and the people since the day I came to the US. During my first two weeks, I could not sleep before midnight due to the difference of time.
- Word count: 839
Our practical was about examining the reaction of an enzyme in a particular type of food, in which the enzyme break down food and digest the existing proteins inside the materials (food). And to investigate the rate of the enzymes reaction when its get
Second, it could still react with a wide range of different pH levels. Our experiment was based on the theory that implies: reactions of the enzyme with very high or very low pH level will be very slow. While the reaction reach its high speed if the pH level is at 8 which is called as the optimum of the rate of reaction of the Trypsin. Apparatus The material that is used to perform the experiment is Milk solution.
- Word count: 517
This is the control. Take 10ml of distilled water. Pour a drop of paraffin wax into the test tube as this will prevent the water from evaporating in the sunlight. b. Pour 10ml of the dil.NaOH into this test tube followed by a drop of paraffin wax. c. Pour 10ml of the dil.HCl into this test tube followed by a drop of paraffin. d. Take 10ml of tap water and pour into this test tube. The PH of the tap water is taken to be 5.5 as seen using the PH paper.
- Word count: 675
Method: * First we investigated what time to start the project since condensation level is high in the morning & therefore rocks would be wet in the morning. * Next, we searched through the beach for wet rocks * Different colours & sizes of rocks were collected to see the two above factors effect the temperature of the rocks. * 25 rocks were collected by our group * One by One rocks were kept on the Digital measuring machine & its weight were noted.
- Word count: 825
Hence contact with insects is not recommended. > Since current levels are high, any footwear in the stream such as flip-flops is not recommended. > Stones are wet & slippery, therefore rubber boots are recommended. Method: o First each site was marked in order to start the experiment. o Stream was divided into 5 sites in order to analyse the stream pollution index of the stream carefully & accurately. o For each site(1-5), Insects were searched & caught by a Net.
- Word count: 722
HEAT TRANSFER IN SPORTS AIM: DETERMINING THE HEAT GIVEN OUT TO THE SURROUNDING WHILE PLAYING SQUASH AND TABLE TENNIS
HYPOTHESIS Heat transfer is the process by which heat is given off from a body to the surrounding. When playing a sport, heat is normally generated as a biological mechanism to keep the body cool. Therefore in this experiment we sought to determine if this heat given off could be measured in an enclosed environment in order to determine the effectiveness of the structure in relation to the sport. We took two sports that can be played in an enclosed surrounding: squash and table-tennis. APPARATUS 1. Meter rule 2. Maximum and minimum thermometer 3. 3 Clinical thermometers 4.
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iron is used to transport oxygen, it forms the haem group in haemoglobin * Water: Needed for temperature regulation, maintenance of osmotic pressure and transportation of substances in the body. * Fibre: Comprised mostly of cellulose from plant cell walls. It stimulates movement of food through the gut, thereby aiding digestion Did you know? * Carbohydrates and lipids provide about 70-75% of the body's energy requirements Lipids are in the form oftriglycerides, meaning they are comprised of one glycerol molecule and three fatty acid molecules * There are two types of fatty acids: unsaturated fatty acids, which are not completely
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The texture after the heating appeared to look like ash, suggesting that it was dryer. Questions: (a) Calculate the mass of water in the hydrate. Total mass of water: Weight before heating - Weight after heating #4 48.72 � 0.02 - 47.75 � 0.02 = 0.97g Uncertainty of mass of water in hydrated salt: 0.02 + 0.02 = 0.04 Total mass of water = 0.97 � 0.04 (b) Compare the number of the anhydrous compound to the number of moles of water in the hydrate and use the ratio of these values to predict a formula of the hydrated compound.
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If it is green, then it photosynthesises. Some examples of these types of plants include the beach grass, shrubs, and maritime forest plants found on Plum Island. There is a huge range of plants that can photosynthesise, whether it be microscopic bacteria or extremely large trees. In every ecosystem, there are always active producers that photosynthesise. AIM The aim of this experiment will be to test the rate of photosynthesis using Gardenia Augusta Magnifica in a warmer environment against a cooler environment. HYPOTHESIS The rate of photosynthesis in a warmer environment will be faster than the rate of photosynthesis in a cooler environment.
- Word count: 795