Grade 10 Biology Revision Guide Characteristics of Living Organisms Nutrition: Respiration: Excretion: Sensitivity: Movement: Homeostasis: Reproduction: Growth: Taking in food for growth and releasing energy. Burning glucose to release energy. Removing waste material like urea formed during chemical reactions. Responding to changes in the environment. Transport inside cells and moving the body. Control their internal conditions. Increasing the number of organisms. Increasing the number of cells
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BATTERIES What is a battery? A battery is a container consisting of one or more cells carrying an electric charge and used as a source of power. SECONDARY BATTERIES * rechargeable * high cost (short-term) low cost (long-term) * used in objects with high energy requirements: e.g. mobile phones‚ power tools * require special handling‚ containment & disposal * limited interchangeability * long life time * produce smaller amount of waste (flat discharge curve)
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Being a severely disabled writer is quite a challenge. For one thing‚ I have very little use of my hands. I type with a typing wand‚ or as I like to call it‚ a headstick. "Typing wand" makes me sound like a nerdy magician. Some handicapped people use chin pointers to type. Others use programs such as Dragon Naturally Speaking to dictate to the computer. Technology has developed to the point where you can actually move a mouse by simply moving your head. A laser dot is placed on your forehead and
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IGCSE History Revision Charts 1. Were the peace treaties fair of 1919-21? -The Big Three (USA‚ France‚ Britain) gathered in Paris for the treaty of Versailles -USA believed in self determination at a strong way. -Britain and France wanted to make Germany pay a lot of reparations as well to gain other colonies‚ as a punishment for WWI. France wanted at an alarming rate to punish Germany. -The treaties could be justified because they had to control Germany and make sure it wouldn’t go to
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IGCSE Biology Notes Refined by KmQ Unit 1 : Characteristics of living things Biology is the study of living organisms. For something to be alive it needs to perform all seven functions of living things.MRS GREN Movement‚ Respiration‚ Sensitivity‚ Growth‚ Reproduction‚ Excretion‚ Nutrition. 1. Movement Most organisms are able to move their whole body even plants can shift their stem towards the sunlight and their roots move towards healthy soil. 2. Respiration IT is the breakdown of food
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IGCSE Complete Chemistry Notes Unit 1: States of matter Everything is made of particles. Particles in solid are not free to move around. Liquids and gases can. As particles move they collide with each other and bounce off in all directions. This is called random motion. In 2 substances‚ when mixed‚ particles bounce off in all directions when they collide. This mixing process is called diffusion. It’s also the movement of particles without a force. The smallest particle
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“Disabled” described a soldier who stayed in the hospital due to the fact that he got physically and mentally destroyed. It shows the effect the war has on the young man’s life. He was in deep misery since he was limbless clearly as a result of war. The word “wheeled chair” implies that the person is disabled‚ and the quote “legless‚ sewn short at elbow” further described that the soldier was limbless. Owen described him as a “ghastly suit of grey” painting a picture of colorless‚ grey‚ lifeless
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It is my intent to analyze Disabled by Wilfred Owen‚ the majority of which focused on a soldier’s present condition rather than the past; the part that did focus on the past were more pessimistic that this portion. The poem seemed realistic and personal as it portrayed an image of one man’s own experience during World War I. Owen wrote about the war because he was a poet and a soldier. I believe that Owen saw the disorder that war created‚ and I noticed that he used irregularities of rhyme in the
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Revision Checklist for IGCSE History 0470 Guide for Students Revision Checklist for IGCSE History 0470 A Guide for Students How to use this guide The guide describes what you need to know about your IGCSE History examination. It will help you to plan your revision programme for the examination and will explain what the examiners are looking for in the answers you write. It can also be used to help you to revise by using the tick boxes in Section 3‚ ‘What you should be able to’ to check
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Economic Systems. WHAT to produce HOW to produce WHOM to produce for Key terms. Free Market Economy also known simply as the Market Economy. Resource Allocation Price Mechanism Free market system is basically governed by consumers of the market. These are known as market forces. Their main aim is profit & the firms are all privately owned. Advantages: provides a wide array of goods & services. Responds quickly to consumer’s demands. Encourages use of better methods and
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