... the battery run out of power very fast. You usually plug a battery in to a load. A load is a radio or light bulb or something you connect the battery into. For a battery to work you must have the negative terminal plugged into a positive one, thus making a chemical reaction to produce more electrons. If a battery ... is not connected into a load, then it can keep its power for a very long time. The first battery was created by Alessandro Volta in 1800. His battery contained many alternating layers. The layers were made of ... pile can be stacked as high as you want, and each layer will i...

• Word Count: 1394
• Approx Pages: 6
• Has Bibliography
• Grade Level: High School

... designed for the motherboard, or main circuit board, that you have. The motherboard holds many things vital to the computer, one of them being the battery. Now the hand on fun comes. To get to the motherboard, you must open the case. When opening the case, you must always detach the ... minutes. Once the case is open and you are grounded, now it is time to perform the surgery. On most mobo's, or motherboards, the lithium battery is on the lower left corner. It is silver and approximately the size of a quarter. You may have to shift a few disorganized wires in order ... runs your compute...

• Word Count: 754
• Approx Pages: 3
• Grade Level: High School

... A BULB I. Electric circuits can be explained in terms of energy. II. Batteries provide energy to the charges moving in a circuit. a. a battery pumps charge from the negative end to the positive end b. batteries can be made up of a single cell or series of cells c. the charges lose energy as they pass through ... electrons flow through it a. filament conducts electricity b. thermal energy is produced IV. A simple circuit is made with a light bulb, battery and two wires a. battery - the energy source b. wire - the outgoing current path c. bulb - the energy destination d. wire - the retur...

• Word Count: 359
• Approx Pages: 1
• Has Bibliography
• Grade Level: High School

... of a handbag or backpack. However, sometimes people forget whether it has enough power when the time comes to use it. Before carrying the USB battery pack, it is important to make sure it will provide enough power for the amount of time you want to use it. Otherwise, it will ... . I was thinking that I would be safe if I stayed home, but I would miss the farewell party. Eventually, I decided to attend the party and carried my USB battery pack. I jumped on the bus, chose a window seat, and took out my smartphone to search the party's location. That was smart, and then I saw some words po...

• Word Count: 754
• Approx Pages: 3
• Grade Level: High School

... concentration is higher, there will be less water particles to block the hydrogen peroxide particles to meet up with the potatoes surface. Usually, if you double the concentration, you will half the reaction rate. Hydrogen Peroxide Hydrogen Peroxide is a chemical compound of hydrogen and oxygen. As explained in My Investigation', its scientific formula is H2O2. If this solution has not been altered ... ', lysis means splitting'). Molecularity The number of collisions taking place depends on the following factors: 1. The concentration of the colliding species 2. The molecularity of the pro...

• Word Count: 2748
• Approx Pages: 11
• Grade Level: High School

... a chemical in which the products can be converted back to reactants. It is also shown by the sign a half-arrow to the right (forward reaction) and a half-arrow to the left (backward reaction). An example of a reversible reaction The thermal decomposition of ammonium chloride On heating strongly, the white solid ammonium chloride, decomposes into a mixture of two colourless gases ammonia ... and hydrogen chloride. On cooling the reaction is reversed and solid ammonium chloride reforms. Ammonium chloride + heat ammonia + hydrogen chloride NH4Cl(s) NH3(g) + HCl(g) Reversing the reaction .....

• Word Count: 606
• Approx Pages: 2
• Grade Level: High School

... by using these criteria: áP Language System áP Restandardizing cost áP Availability of Resources áP Portability 2.0 ANALYSIS 2.1 What is .NET? 2.1.1 A New Framework .NET covers a wide range of features and technologies. .NET Framework is always connected to .NET. Part of .NET is really a run time called the Common Language Runtime (CLR), which applications are running. The CLR provides many of services for users ... Java Community Process (JCP), with the input and participation of a broad range of major technology companies. 2.2.3 The Java Language System The Java language system look...

• Word Count: 1761
• Approx Pages: 7
• Grade Level: High School

... Google will be able to pay the premium for the fast lane and we could be left in the dust. So what exactly is net neutrality? Net neutrality is the basic fundamental characteristic of the open internet architecture. It is the idea that all information transmitted over the Internet should ... ) Preventing Bandwidth Throttling/ Data Discrimination: If your ISP is throttling your bandwidth they are deliberately slowing down your connection to the internet. Without any net neutrality rules some other company could be paying to slow my connection down. On the same level, a company could also ...

• Word Count: 1131
• Approx Pages: 5
• Has Bibliography
• Grade Level: High School

... fear of surgery and its effects are of a concern for all involved. Salter's "Half a Double Sonnet" is a sonnet describing the ordeal of a child named Ben. Ben has undergone surgery and is now suffering from double vision. Ben's reaction is vague. Many people would find it miserable to suffer from double vision; however ... Salter's play with quality begins with the title. Right from the beginning, the theme of seeing double is cleverly incorporated within the title. The title "Half a Double Sonnet" literally means one full sonnet. Metaphorically, it demonstrates the poet utilizing the t...

• Word Count: 888
• Approx Pages: 4
• Grade Level: High School

... than should be. If it were compared to the smaller chips the tine would be less because of it having it a smaller surface area for the reaction to take on. Safety It is important to carry out a safe experiment as we don't want to cause any accidents. The Safety Procedures are: & ... cannot be used again after the reaction otherwise the acid will be less strong to act on the marble chips. This is the procedure I will carry out the experiment: • First of all I will set up all the apparatus as shown in the diagram • Then I will fill a basin half full of water • ... cm3 I will take re...

• Word Count: 891
• Approx Pages: 4
• Grade Level: High School

"How the Other Half Lives" Jacob Riss was born into a middle-class Danish family in 1849. His father Neil Edward Riss taught at the Village School in Ribe. At a young age Riss was taught ... tenement houses. The immigrants were paying very high rent for these tenenments to the tenants, real-estate agents and boarding house keepers. Immigrants had no safety net and social services were almost non-existent in the slums. In "How The Other Half Lives", Jacob Riis tried to expose and clarify the living conditions of New York's poor to its wealthy. "The other ... half" that Riis refers to is the ...

• Word Count: 1875
• Approx Pages: 8
• Grade Level: High School

... will change dramatically over the next year or two. The hope for these changes is that the developments will reunite the industry. Up to this point, the Net has been almost entirely about viewing content or buying products over the Web through a browser and a personal computer. In the next wave, the browser will ... The Internet will be less about going to big sites like Yahoo and Amazon.com and more about using specialized pieces of software that connect to the Net. Current examples of these types of software include Real Player, Napster, and the Miller Lite Beer Pager. Once one of the...

• Word Count: 877
• Approx Pages: 4
• Grade Level: High School

... reach the success in business sector.To use the internet is a very good way for the advertisement and it is a big comfort for the users and customers.But the net is still not secure for people, who gives their important and special informations(i.e. credit card number,bank account number, password..). We reach this solution from our experiences.For instance ... and numbers which can makes you very rich. But of course, to do this you have to know the "bugs"(weak points and some mistakes in the net.) very well and you have to hide yourself verywell,because you ll be a criminal. If you sear...

• Word Count: 398
• Approx Pages: 2
• Grade Level: High School

... correct, as suggested by Zajonc's Drive theory and Triplett's study of social facilitation. Therefore, the hypothesis is that participants will achieve significantly quicker reaction times when being observed than when they are not. The null hypothesis is that there will be no significant difference in the results achieved ... on scores. Results Fig. 1 Fig. 1 shows a comparison between the scores attained in both conditions. 7 out of 16 participants (44%) achieved faster reaction times when they were in front of an audience. Mean - With Audience Mean - Without Audience 46.28 44.51 The m...

• Word Count: 2002
• Approx Pages: 8
• Has Bibliography
• Grade Level: High School

... this experiment potato juice was used). We hypothesized that changing the temperature and pH from within the optimal range would disrupt the reaction. We also hypothesized that because enzyme and substrate concentrations in a reaction are proportional to each other, the reaction will occur at a speed proportionate to the amount of enzyme/substrate present. Methods and Materials: In this experiment four different environmental ... by taking readings of absorbance on a spectrophotometer set at 420nm (note: all readings were taken at this setting). To find the effect of enzyme concentratio...

• Word Count: 1327
• Approx Pages: 5
• Has Bibliography
• Grade Level: High School

... energetic molecules succeed and reactions will be slow. If the activation energy needed is not very high then more collisions will be successful and the reaction will take less time. Activation energy is the minimum kinetic energy needed. Reactions need energy to occur. The molecules are moving because they ... one side of a boiling tube (opposite side to where I am looking) and looking at the cross at eye level. The container in which the reaction takes place will also effect the time it takes for the cross to disappear. If I use a boiling tube with a small diameter than a large ... ...

• Word Count: 1509
• Approx Pages: 6
• Grade Level: High School

... more energy and collisions are successful. Therefore the higher the temperature, the faster the cross disappears. Table of Results: Temperature Degrees Celsius. Time 1 (seconds) Time 2 (seconds) Average Reading. Rate of Reaction (Rate = 1/Time.) 30`c 9secs 20secs 14.5secs 0.06s-1 40`c 7secs 19secs 13secs 0.07s-1 50`c 13secs 12secs 12.5secs 0.08s-1 60`c 8secs 9secs 8.5secs 0.11s-1 70`c 6secs 7secs 6.5secs 0. ... will collide with the Sodium Thiosulpate particles. The harder they hit the particles react together. Anything which makes the acid and thiosulphate particles to collide more oft...

• Word Count: 1436
• Approx Pages: 6
• Grade Level: High School

... A small conical flask that has a capacity of 35cm3 A piece of lined paper, to judge when the reaction has finished A stop-clock to determine the duration of the reaction A calculator to work out the average reaction rate A total of 280cm3 Sodium Thiosulphate A total of 80cm3 Hydrochloric acid A total of 280cm3 water Pilot ... variable. This was the concentration of the Sodium Thiosulphate solution. All the experiments will be conducted at room temperature because temperature affects rates of reaction. The person watching the lines should have the timer, otherwise there could be a time la...

• Word Count: 817
• Approx Pages: 3
• Grade Level: High School

... break the existing bonds in the reactants than the amount of energy released when new bonds are formed in the product. An example of an Endothermic Reaction previously investigated is ammonium nitrate plus water. We used a thermometer before we carried out the experiment to measure the temperature which was 18 degrees Celsius ... are reactions which give out heat. For example we done a test where pure Iron is reacted with Aluminium Oxide, this reaction let off lots of heat to the surroundings. To speed up a reaction you could use different methods such as Increasing the concentration of ...

• Word Count: 420
• Approx Pages: 2
• Grade Level: High School

... example that I heard is when dolphins can sleep peacefully, but they are still swimming. What makes me interesting is to know that the half brain of the dolphins is sleeping or in rest mode, but the other half keeps the dolphins swimming while they are sleeping. In the middle of their conversation, I found out that they are using psychological psychology in their ... asleep. During my sleep, I dream about that thing that I think earlier. When I wake up in the morning, I was so surprised that I can really control my dreams. Even though I just remembered half of my dreams, but I still can...

• Word Count: 1140
• Approx Pages: 5
• Grade Level: High School

... higher the concentration, the more particles in the acid, which makes more of a chance that the particles will collide - so more chance of a reaction taking place. Apparatus • 1 pair of safety goggles • paper • 1 felt tip pen • Conical flask • 25cm3 sodium Thiosulphate • 10cm3 hydrochloric acid - 0 molar - 0.5 molar - 1 molar - 1.5 molar - 2 molar & ... 10cm3 of the 0 molar concentration of Hydrochloric acid, using the other measuring cylinder. • Pour the acid into the conical flask and immediately start the stop clock. • Watch the reaction. When you cannot see the cross...

• Word Count: 568
• Approx Pages: 2
• Grade Level: High School

... need to be taken at a relatively good speed. The results will be taken for 100 seconds to give a good picture of what happens in the reaction not just a few seconds of it. From earlier experiments with marble chips and hydrochloric acid I found that it "fizzes- which creates a kind of ... . This is needs to remain constant because from other experiments I have found that the concentration of the acid does affect the rate of the reaction quite considerably. I am also going to use the same scales throughout so even if the scales are slightly wrong the results will at least ... have acces...

• Word Count: 1418
• Approx Pages: 6
• Grade Level: High School

SEX in the Net! A social and ethical essay task designed to provide students with a broader insight into both the Internet and computer ethics. Since the beginning of time, men and women have fantasised over ... , however when it comes to censoring material which goes all over the world, a balance must be found between the censorship laws of all the countries that are hooked into the net. Here a problem arises, because Denmark has no censorship of pornography, so obviously they are going to be somewhat annoyed if it is banned from the Internet since their laws state ... ...

• Word Count: 1124
• Approx Pages: 4
• Has Bibliography
• Grade Level: High School

... same size of magnesium ribbon will be used every time.. (The second experiment which I will do will look at the effect different lengths of magnesium has on the rate of reaction.) During the experiment, goggles will be worn at all times for safety precaution . Results Volume of HCL (cm cubed) Volume of Water (cm cubed) Concentration of solution Exp 1(In secs ... I have reached is that the prediction which I made was correct and that the higher the concentration the faster the rate of reaction. This is shown on my graph because the lower the concentration got the slower the rate of react...

• Word Count: 912
• Approx Pages: 4
• Grade Level: High School

... to pour 50ml of 2Moler Hydrochloric acid into a conical flask and then put 0.5Grams of Marble chips into the conical flask as well and time the Rate Of Reaction between the two. Results These are the results I collected: 2Moler 0.5Grams 8Chips Time (S) Vol Of Gas (CM3) 0:20 3 0:40 7 1:00 12 ... fewer particles there are to collide with the Marble chips. In my prediction I said that I thought the weaker the concentration the longer the rate of reaction would be. After my experiments this proved to be correct. Once I had done the graph I realised that I had a few results were anolomisys....

• Word Count: 888
• Approx Pages: 4
• Grade Level: High School