Potato Batteries: Veggie power! Data and Analysis Background The battery was invented around 1800 by Alessandro Volta in Italy. It has become an indispensable part of modern life. Why are batteries so useful? Because they convert chemical energy into electrical energy. You can use this electrical energy to light a flashlight‚ to start a car‚ or to listen to your favorite music. We made a simple battery out of a potato by placing in it a zinc strip and a copper strip. At the zinc strip‚ the
Premium Battery Volt Electricity
Lab Class I How to use R Console Go to R and double click to load program: You may use R console as calculator as well‚ just write numbers and click enter: >1+1 enter >2 How to use R Commander To open R console‚ write: >library(Rcmdr) → enter Code will show up in upper window. Message will show if there is any Mistake on the formula or if is Needed to add data set Note: If R Command is in Chinese‚ you may try this: Close Program → Computer → Local
Premium Data Variable Computer
The bar chart illustrates the unemployment rate in Germany compared to the unemployment rate in Ireland. The y-axis shows the rate of unemployment which is defined by the number of unemployed persons as a percentage of the labor force. On the x-axis you can read the year. In 2000‚ 8 per cent of the German workforce was unemployed‚ which was twice as high as Ireland. Unemployment in Germany declined slightly in 2001. However‚ after this the unemployment rate rose steadily over the next four years
Premium Unemployment United States
Donna Slender Prof. Jon Frederick Writing I April 2‚ 2013 Greasy Lake by T.C. Boyle The short story Greasy Lake is written by T. C. Boyle the son of Irish immigrants. Boyle recalls growing up ‘as a sort of pampered punk’. We see this pampered punk attitude in the story’s main characters. I was completely captivated with the way events unfolded in Greasy Lake as they struck like bolts of lightning one after the other. Three teens’ summer vacation told in vivid detail by the narrator and buddy
Premium T. Coraghessan Boyle John Updike Greasy Lake & Other Stories
Distance Time Graphs Definitions * Speed: Speed is a scalar quantity that refers to "how fast an object is moving." Speed can be thought of as the rate at which an object covers distance. A fast-moving object has a high speed and covers a relatively large distance in a short amount of time. * Velocity: Velocity is a vector quantity that refers to "the rate at which an object changes its position." When evaluating the velocity of an object‚ one must keep track of direction. It would not
Premium Velocity Kinematics Acceleration
Essay The Gunpowder Plot of 1605 has come to be known as Britain’s greatest conspiracy. If it had succeeded‚ many say it would’ve been one of the greatest terrorist plots ever. However‚ the Oxford Dictionary’s definition of terrorism is “the unofficial or unauthorized use of violence and intimidation in the pursuit of political aims”. While many may argue that this is what the gunpowder plot was‚ it was actually an attempted coup‚ not a campaign of terror and violence. The plot was led by Robert Catesby
Premium James I of England
fFigure 2‚ the Average of Absorbance graph‚ showed that growth of the algae for the 100% water composition was observed to be slightly higher than the 90% water 10% soap composition. Meaning the soap may have slightly affected the growth of the algae‚ in some way. One possible‚ reason for a slightly higher growth for the filtered 100% water could be due to the filtered 90% water 10% soap‚ having antibacterial chemicals in the soap . With a study being done on how certain antibacteria‚ like tylosin
Premium Water Liquid Soap
New Laws to Control Cyber Data – Opinion Piece New Laws will allow authorities to collect and monitor Australian’s internet records The new law will specifically target suspected cyber criminals. It will not go as far as keeping each and every one of the Australian internet user’s internet history in the name of national security. Australian state and federal police will have the power to force Telco’s and internet service providers to keep the records of people suspected for cyber crimes. Only
Free Police Law Law enforcement agency
Did you know that by washing our clothes we could be polluting our oceans ? Well i didn’t until i read an article written by Carrie Boyle titled “ microfibers: how the tiny threads in our clothes are polluting the bay “ . In this article Boyle explains what microfibers are and how they ruining the earth . She begins by explaining that when we wash tiny pieces of thread come off some our clothes. These threads then eventually make their way into the ocean and cause a tons of damage. she explains
Premium Ocean Water Oceanography
such as Loretta Bird and Mrs. Peebles in the story "How I Met My Husband" may seem to have insignificant parts; but actually play important roles that advance the plot of the story. We see in the beginning that Mrs. Peebles is Edie’s employer. This shows us how important it was for Edie not to get caught wearing Mrs. Peebles clothing. This is how Edie and Chris Watters meet in the first place; he seeing her in Mrs. Peebles clothes and telling her how beautiful she looked and she going to him later so
Free Plot B vitamins