10 Great Biology Activities and Lessons

10 Great Biology Activities and Lessons Biology activities and lessons allow students to investigate and learn about biology through hands-on experience. Below is a list of 10 great biology activities and lessons for K-12 teachers and students. K-8 Activities and Lessons 1. Cells This is a diagram of an animal cell. colematt/iStock/Getty Images Plus   The Cell as a System: This activity enables students to explore the components of a cell and how they work together as a system. Objectives: Students will identify major cell components; know structures and functions of components; understand how the parts of a cell interact together. Resources:Cell Anatomy - Discover the differences between prokaryotic and eukaryotic cells. Cell Organelles - Learn about the types of organelles and their function within cells. 15 Differences Between Animal and Plant Cells - Identify 15 ways in which animal cells and plant cells differ from one another. 2. Mitosis The Cell Cycle. By Kelvinsong (Own work) [ CC0], via Wikimedia Commons Mitosis and Cell Division: This lesson introduces students to the process of cell mitosis. Objectives: Students will understand the processes of cell reproduction and chromosome replication. Resources: Mitosis - This stage-by-stage guide to mitosis describes the major events that occur in each mitotic stage. Mitosis Glossary - This glossary lists commonly used mitosis terms. Mitosis Quiz - This quiz is designed to test your knowledge of the mitotic process. 3. Meiosis Lily Anther Microsporocyte in Telophase II of Meiosis. Ed Reschke/Photolibrary/Getty Images Meiosis and Gamete Production: This activity helps students explore meiosis and sex cell production. Objectives: Students will describe the steps in meiosis and understand the difference between mitosis and meiosis. Resources:Stages of Meiosis - This illustrated guide describes each stage of meiosis. 7 Differences Between Mitosis and Meiosis - Discover 7 differences between the division processes of mitosis and meiosis. 4. Owl Pellet Dissection This image shows small animal bones found in an owl pellet.   Dave King/Dorling Kindersley/Getty Images Plus Dissecting Owl Pellets: This activity allows students to explore owl eating habits and digestion through dissecting owl pellets. Objectives: Students learn how to examine, gather, and interpret data through owl pellet dissections. Resources:Online Dissections - These virtual dissection resources allow you to experience actual dissections without all of the mess. 5. Photosynthesis A young boy studies photosynthesis and is using a microscope. Andrew Rich/Getty Images Photosynthesis and How Plants Make Food: This lesson explores photosynthesis and how plants use light to make food. Objectives: Students will discover how plants make food, transport water, and the importance of plants to the environment. Resources:The Magic of Photosynthesis - Discover how plants turn sunlight into energy. Plant Chloroplasts - Find out how chloroplasts make photosynthesis possible. Photosynthesis Quiz - Test your knowledge of photosynthesis by taking this quiz. 8-12 Activities and Lessons 1. Mendelian Genetics Drosophila melanogaster (fruit fly, vinegar fly).   Sinhyu/iStock/Getty Images Plus Using Drosophila to Teach Genetics: This activity is designed to help students apply basic genetics concepts to a living organism. Objective: Students learn how to use the fruit fly, Drosophila melanogaster, to apply knowledge of heredity and Mendelian genetics. Resources:Mendelian Genetics - Explore how traits are passed from parents to offspring. Genetic Dominance Patterns - Examine the differences among complete dominance, incomplete dominance, and co-dominance relationships. Polygenic Inheritance - Discover the types of traits that are determined by multiple genes. 2. Extracting DNA DNA (deoxyribonucleic acid) molecule, illustration.   KTSDESIGN/Science Photo Library/Getty Images Extracting DNA: This activity is designed to help students learn about the structure and function of DNA through DNA extraction. Objectives: Students understand relationships between DNA, chromosomes, and genes. They understand how to extract DNA from living sources. Resources: DNA From a Banana - Try this simple experiment that demonstrates how to extract DNA from a banana. Make a DNA Model Using Candy - Discover a sweet and fun way to make a DNA model using candy. 3. The Ecology of Your Skin Staphylococcus epidermidis bacteria are part of the normal flora found in the body and on the skin.   Janice Haney Carr/ CDC Bacteria That Live on the Skin: In this activity, students discover the diverse organisms that live on the human body. Objectives: Students examine the relationship between humans and skin bacteria. Resources:Bacteria That Live on Your Skin - Discover 5 types of bacteria that live on your skin. Microbe Ecosystems of the Body - The human microbiome includes bacteria, viruses, fungi, and even mites. A Guide to Different Types of Pathogens - Learn about six types of pathogens that can make you sick. Top 5 Reasons to Wash Your Hands - Washing and drying your hands properly is a simple and effective way to prevent the spread of disease. 4. The Heart Human heart cross section showing blood circulation through the heart. jack0m/DigitalVision Vectors/Getty Images Heart to Heart: This lesson helps students explore heart function, structure, and blood pumping activity. Objectives: Students explore the anatomy of the heart and blood circulation. Resources:Heart Anatomy - This guide provides and overview of the function and anatomy of the heart. Circulatory System - Learn about the pulmonary and systemic paths of blood circulation. 5. Cellular Respiration Cellular Respiration. Purestock/Getty Images ATP Please!: This lesson helps students explore the role of mitochondria in ATP production during aerobic cellular respiration. Objectives: Students will be able to identify the steps of ATP production and the function of cell mitochondria. Resources: Cellular Respiration - Discover how cells harvest the energy from the foods we eat. Glycolysis - This is the first step of cellular respiration where glucose is split into two molecules for the production of ATP. Citric Acid Cycle - Also known as the Krebs Cycle, this is the second step of cellular respiration. Electron Transport Chain - The majority of ATP production occurs in this final stage of cellular respiration. Mitochondria - These cell organelles are the sites of aerobic cellular respiration. Biology Experiments For information on science experiments and lab resources, see: Biology Science Project Ideas - Discover  great ideas for biology related science projects.Biology Lab Safety Rules - Follow these tips to learn how to stay safe in biology lab.

Little and Small

Little and Small Little and Small Little and Small By Maeve Maddox A reader asks, Can you illustrate how little and small are correctly used? As adjectives, little and small are often interchangeable, but sometimes one will not do in place of the other. Either is used to describe people or things of reduced dimensions: Last night I saw upon the stair/A little man who wasnt there [The Little Woman] is a great and very inspiring book. I havent read anything like that in a long time. Its a testimony of a small woman who changed the whole country of China Small is preferred when describing something concrete that is of less than the usual size, quantity, value, or importance: Detective Swann showed us  to a small room  and then disappeared. President Grover Norquist [said] that any short-term deficit hit is a small price to pay for structural changes that will generate big savings down the road. Little often refers to concepts: Getting proper Louisiana hunting licenses takes a  little forethought. The writer attempts analysis, but  demonstrates little  or no original thought or insight. Most of these elements, however, are of  little importance in the grand scheme of things. Large is more frequently used than big to modify abstract nouns such as amount, proportion, quantity, size, sum, and volume: A newly published study from NASA shows that Earths atmosphere contains  an unexpectedly large amount  of Carbon tetrachloride. In certain contexts, little can mean miniature or â€Å"smaller than regular size†: The kindergarten room was furnished with little tables and chairs. The children were playing with little cars on the sidewalk. Both little and small can indicate the state of being a child: When I was little, I used to pretend I was invisible. When I was small, I used to pretend I could fly. But â€Å"This is my small sister† means that the sister is small in size, whereas â€Å"This is my little sister† means that the sister is younger than the speaker. In statements of contrast, little is usually paired with big; small is usually paired with large. The big boys wouldnt  let the  little ones  use the basketball. Oklahoma  companies,  large and small, profit from training.    Want to improve your English in five minutes a day? Get a subscription and start receiving our writing tips and exercises daily! Keep learning! Browse the Vocabulary category, check our popular posts, or choose a related post below:20 Computer Terms You Should KnowThe Possessive Apostrophe8 Great Podcasts for Writers and Book Authors

Role as a Community Leader in Homestead 1892 Essay

Role as a Community Leader in Homestead 1892 - Essay Example Our community also includes a number of such workers who have been participating in this strike to demonstrate their demands. I would like to enlighten our community workers as their leader to select an appropriate path in this critical scenario which will be beneficial for them in the long run. At the outset, I would like to point out the significant reasons which have forced to transpire the present unfavorable scenario at Homestead Steel Works. One of the prime reasons for the grievance among our community workers along with the other workers is that the unskilled workers approximately are earning fifteen or sixteen cents per hour which is unbearable to support a family decently. But still in order to get this bare minimum wage, the unskilled labors have to work for long hours and at times additional working hours as compared to skilled workers. Moreover, the living conditions are hazardous with poor house, smoky air and fouled water. The unskilled labors are treated just as hunki es. This clearly revels the catastrophic working and living situations of the unskilled immigrant workers of Europe of whom a number of are residing in the community (Country Studies US, â€Å"The Struggles of Labor†; Sage, â€Å"The Progressive Era: The Great Age of Reform†). ...Therefore, I can urge the workers to not to continue with their ongoing strike and to keep on working. As continuing with the strike will not be beneficial for both the management as well as the workers. Continuing with the strike will not be helpful for the workers as the management will probably not give in the workers demand which might lead to stagnation in the entire scenario. The situation can be resolved by undergoing a discussion with the management. The latter half of this 19th century can be considered as the stage of technological revolution or industrial revolution. This industrialization is mainly rooted in heavy industries like factories, railroads, and  coal mining with the ob jective of creating more products in a cheaper way. This includes rise of industrialization and has resulted in the rush for immigration in the  United States. This period has marked hasty economic growth and high prosperity within the US and has turned the nation into the world’s most leading economic, industrial and agricultural power. As a result, the real wages, Gross Domestic Product (GDP) and capital formation has increased and this has followed the augmentation of the average annual income of the workers as well. But the wages of the immigrants, a number of such workers who are from our community has remained barely low as they are untrained as well as unskilled to correspond with the advanced technology. At the same time, the wages of the skilled workers and engineers have increased at a constant rate along with other benefits. Thus, it can be stated that inspite of the rapid progress of the economy, the standard of living of the unskilled labors have remained uncha nged.

HUM200_ESSAY1 Essay Example | Topics and Well Written Essays - 1000 words

HUM200_ESSAY1 - Essay Example The foremost among them was its glorification of man instead of God and that man was the gauge of all things and had indefinite potential. The Renaissance started in the city of Florence in Italy, and subsequently expanded into the rest of Italy and afterwards into Northern Europe. Artistically, the Renaissance shaped a completely new approach to express human emotions and ethics by the use of architecture, sculpture and in particular painting. As history reveals, the painters of the Renaissance, like Leonardo da Vinci, Michelangelo, Rembrandt and many others, did not evaluate their work merely evaluate on the feats of their large number of predecessors. They utilized the new scientific theories of their age and related their points of view to create paintings that reflected practical and realistic images. They mostly painted idealized figures and pictures based on humanistic concepts and principles, which manifested their ideals of man being separate from God and showed that his environment was a natural occurrence and not the result of a higher power. The paintings of Leonardo da Vinci, for example, reflect the ideals of humanism and materialism. Leonardo da Vinci often referred to as the Renaissance man, was an expert in a number of fields and had an extensive range of interests. He was not only an artist and musician, but also a sculptor, painter, architect as well as a scientist. He dissected the dead bodies of human beings to make the way muscles and bones functioned. His sketchbooks consist of diagrams and operational schemes of flying machine and undersea boats. His famous paintings include Mona Lisa, The Last Supper (which was painted on a plaster wall using oil) and Madonna and Child with Saint Anne. Leonardo da Vinci’s keen interest in human anatomy leads to the perfection of his paintings. He was very skilled with the drawings of the human face and no better painting than that of the

Fast Food Essay Example for Free

Fast Food Essay Fast-Food Feast Case Study Whitney Reichert Grand Canyon University MGT 655 Fast-Food Feast Case Study 1/9/13 Visit at least two different fast-food restaurants that make hamburgers and observe the basic differences in the following processes: How are in store orders taken How are the hamburgers prepared How are special orders handled How are the burgers cooked How are the burgers assembled Is a microwave used How are other items such as fires and drinks handled The two fast-food restaurants that I visited were McDonalds and In-and Out. The main differences that I found between the two restaurants were freshness and customer service. When in comes to in store orders at McDonalds, you wait in line to place your order. It seems to be not as customer service driven. You give them your order, which seems to be informal, and not that personable. You pay and stand off to the side until they call your order. They announce your order is ready by saying your order out loud, for example number 2 with a diet coke, without your name attached. At McDonald’s the hamburgers are prepared from frozen possessed meat, they then they cook the meat on the grill. As far as special orders go you must tell the cashier exactly what you don’t want because the burgers come as they are. The cashier then inputs the data into the computer, which then in turn allows the kitchen to make the arrangements. The employees in the kitchen then prepare the burgers; they utilize somewhat of an assembly line to make sure the right ingredients get put on the right burger. With McDonalds you do not have full visibility of the kitchen staff preparing the food. While at McDonalds I did not see a Microwave used. When it comes to fries, McDonalds has their fries frozen in a large plastic bag they then cook them in oil. With drinks you serve your self. When I went into In and Out it was a little different of an experience, and seemed more personable. The orders here are taken similar to McDonalds, but they take your name and give you a number, you wait off to the side and they then call your name and number aloud. The hamburgers at In and Out are grilled using higher quality meat, without preservatives, and they utilize local beef distributors. When it comes to special orders, it seems every order at In and Out is a special order. They ask you exactly what you want, where’s McDonalds doesn’t ask you exactly what you want, they just assume and you must be the one who asks for changes. The cashier then inputs the data into the computer, which then in turn allows the kitchen to make the arrangements. The burgers are cooked on a grill just like McDonalds. When it comes to the assembly, In and Out also utilize somewhat of an assembly line to add ingredients. In and Out uses fresh ingredients, the kitchen is open and you can see the employees making the food right in front of you. As far as I saw, a microwave was not used. As for fries, they use fresh potatoes with out preservatives, instead of bagged fries. As far as drinks goes at In and Out you also serve yourself. This assignment was quite interesting, I would defiantly choose In and Out over McDonalds. They have fresh ingredients, you can have it your way, and the experience is more personable.

Impact of Technology on the Retailing Business Essays -- essays resear

Impact of Technology on the Retailing Business Any sufficient advanced technology is indistinguishable from magic†, Arthur C. Clarke. Technology has changed the retailing business dramatically over the past 10 years. These changes have affected a number of areas in the retailing business. These areas include the equipment in the workplace, the policies in the workplace, the general environment, the ordering of supplies, and the record keeping of the business. One key area in the retailing business that technology has changed over the past 10 years is the different equipment that is used. Interviewee A said â€Å"The change has been quite good for business, we have gone from using a simple till, to using a computer database, which helps us record the customers buying habits and other information about them.† Interview B said â€Å" The equipment we use now has made things way easier for everyone. They took a lil getting used to at first but once we learned how to use them it was no problem. We switched form analogue gas pumps to digital ones, we also switched from doing manual gas level dips to using electronic gas level. Our Rigor machine has also been changed from the old ribbon printer to the new laser printer.† Technology isn’t the only area that has been changed by technology. The business policies have also been changed.   Ã‚  Ã‚  Ã‚  Ã‚  The policies in the retailing business have also been affected by technology in the past 10 years. Interviewee A said â€Å"With out...

Inventor-Granville T Woods

Background On April 23rd, 1856 a baby boy was born in Columbus Ohio. That boy’s name was Granville T. Woods. Granville grew up in a disadvantaged childhood home. He was only able to be formally educated up to the age of 10, all education that followed was self taught or learned from experience. People had called him â€Å"The Black Edison† because he was almost identical Edison. Edison had been in one of the same situations as Granville, a disadvantaged childhood home. After he was done in his early steps of life he moved on in his education.He had taken interest in the electrical and mechanical engineering fields at an East Coast College from 1876 to 1878. Further education was given to him in the form of his co-workers. They had given him information that he hadn’t already known and he paid them to rent books from the library for him because African-Americans weren’t allowed in the libraries. He also went to night classes and took private lessons. Throug hout his life he had many jobs that led him to being an inventor.His first job was an apprentice in a machine shop; there he had repaired railroad equipment such as track, lights, bridges, and anything else that goes with the railroad. His second job was a fireman, a job he had gained from the Apprentice. Here, he was the fireman of D&S Railroads in Missouri, which led him into his next job. In 1878, he became an engineer on a British steamer known as Ironsides. He was then promoted to the chief engineer. This lead into the start of a business he and his brother Lyates ran. It was called the Woods Railway Telegraph Co.It simply made electrical telephone and telegraph equipment for the railroad industry. By the end of Granville’s life he had had many achievements. First off he had had 60 patents, 35 which were of electrical systems and 15 electric railways. He also invented 15 appliances for the railway as well. Out of the many inventions that he had invented the most importan t one was the Multiplex Railway Telegraph. This discovery was built to help reduce railway accidents by letting dispatchers communicate where they are at so they don’t collide.This was also the first time they were able to communicate with each other. This particular invention was so helpful Granville found himself fighting patent suits with none other than Thomas Edison. Although Granville had won in the end. This invention has changed lives in the many ways below. This telegraph has changed and saved many peoples lives. People then could feel safe having to travel by train, when there weren’t many other ways. Also, this factor told everyone that there could be more people going out to be railroad conductors because they wouldn’t have to worry about getting killed in the process.Finally families would feel safer letting their loved ones travel by train. In the end, Granville had a very successful life although he had died poor. Success Factors How exactly did G ranville T. Woods gain his fame? Well for one, everyone had called him the â€Å"Black Edison. † Secondly, he was the first inventor to create such a thing as the Multiplex Railway Telegraph which hit it big because it was the first thing that allowed dispatchers to communicate back and forth about their locations.Lastly, he had over 60 patents and had himself fighting patent pursuits with Thomas Edison himself. Also, he came from a disadvantaged childhood, not only that but he pushed himself to take extra classes and read books because he was only allowed to attend school until he was 10. He has gained the following attributes from his famousness. The first is creativity. He gained this through the many inventions that he created were quite interesting and anyone could tell how creative he was by these inventions.The second was that he had diverse job experience. By this he had been able to work at countless jobs and learn from them, especially how he had gone into studying one of the fields (electrical and mechanical engineering) in night school, books, and through co-workers. I think that if anyone would research Granville anyone would see how his inventions have these attributes. He also gained education through diverse job experience and the fact that he didn’t take the job that Edison offered him, a very major job.I have realized all these attributes through reading about him in biographies, I may not have them all, or what anyone thinks should be on here, but this is my opinion on Granville and what he had. My Life At this present moment I have many, many goals. My first goal is to do better in school. By this I mean up my grades in the classes I do poorly in. My second goal is to make honor roll at least once before I leave Washington to go to high school. My third goal is to help more around my ouse as in clean up messes that I make, do anything that im told to do when I get told to do it, and lastly be better toward my sister, because a s everyone knows siblings can be a pain in the neck. I can accomplish these goals by doing many tasks. For my first goal, I can accomplish this by being more creative when it comes to homework, projects, and papers. I can also study more for upcoming tests that I am not sure about. Then when needed take the time to write everything the teacher writes on the board when they introduce us to something new and if I don’t understand the specific area we are working in to ask for help.Also, do all my homework when its due, I do turn in my homework, but only a couple times I have had late papers. For my second goal, I can push harder and harder in the classes I am not doing to well in to get the grades I need to make honor roll. I can also spend more time on my homework instead of doing other tasks or just messing around. For my third goal I can do everything when I am told to do, I shouldn’t procrastinate. Another part of my third goal that I need to accomplish would be my b edroom; I can clean up everything even if it’s not mine instead of arguing with my sister about picking her toys and clothes up.For the last part of my third goal, my little sister, I can calm down and try to figure out what needs to be done, instead of the constant arguing. My inventor has some attributes that can help me with accomplishing my goals. His first was Education, that can help me in the way that when I think about how short some people had very little if any schooling, and in his case he was only able to attend school up to age 10, but now anyone attend school for however long anyone wanted to, and the fact with that little bit of schooling he became an inventor.His attribute of diverse job experience does fit in a specific way, I look at it and say well I haven’t had any jobs but I have belonged to many different clubs, and although his jobs lead him up to the decision that he wanted to become an inventor. I have been in builders club and this club helps people so maybe that is why I want to be a pediatrician when I grow up. Finally, with his creative attribute, it can help me with the cleaning section because I hate cleaning and I can turn it into something that would really be fun. I think that this inventor can help accomplish or improve my goals quicker and in a creative way.