A person who lives to be 100 years old is called a centenarian. While some people believe that life choices such as diet and activity level can help a person to reach this unusual milestone in life, good genetics are also necessary.
A:Some ideas for middle school science projects include finding out what plants grow in which soil pH level and discovering the electrical conductivity of certain soil types, says Live Science. Other science projects include discovering natural water filters and the most effective plastic wrap to prevent evaporation, according to About.com.
A:Some examples of working models for science projects include a pinhole camera, a hovercraft and a baking soda volcano. The hovercraft and volcano projects are simple enough for upper elementary and middle-school students. The camera is best for high-school students.
A:A person who lives to be 100 years old is called a centenarian. While some people believe that life choices such as diet and activity level can help a person to reach this unusual milestone in life, good genetics are also necessary.
A:In math, the multiples of a number include all the numbers that result from multiplying that number by any whole number. A number's multiples include the number itself plus the numbers that are divisible by it without leaving a remainder.
A:In English, the object of a preposition is the noun or pronoun phrase that follows a preposition. Therefore, in the sentence "The king of Italy lost the handkerchief in a storm," "Italy" is the object of the preposition "of," and "a storm" is the object of "in."
A:The novel "To Kill a Mockingbird" deals with serious issues, such as rape and racial inequality, as told from the viewpoint of a 10-year-old girl. It was written by Harper Lee and is loosely based on her observations of events that occurred during her childhood in her Alabama hometown in the 1930s.
A:Help for precalculus is available at numerous websites and in person at tutorial centers. Websites like Coolmath.com and TheMathPage give topic overviews and examples of how to work specific types of problems. Mathway.com allows people to enter an actual problem and works it out for them.
A:Learning aids are books, notes, charts, computers, recordings, diagrams or any equipment, tools, and devices that aids in the learning and development process. Learning aids enhance one's learning abilities and help to increase one's learning potential.
A:The duties of a tutor include providing students with academic support during assigned hours, developing academic materials and lessons relevant to the coursework, and collaborating with instructors to ensure the lesson materials are appropriate for the grade level or student's skill set. In an academic setting, a tutor may also be responsible for greeting guests at the front desk or answering phones in the tutoring center.
A:"Who Am I?" questions are a series of questions (usually multiple-choice) that are designed to reveal something about the person who answers them. "Who Am I?" questions, unlike a knowledge quiz, have no right or wrong answers. Instead, the answers are compiled and analyzed to produce a response that supposedly indicates part of the respondent's personality and/or characteristics.
A:To make a model of a mountain, use a soda bottle or a tall cardboard cylinder as the center of the mountain. Attach cardboard strips from the high point to a wooden or cardboard base. Cover with paper-mache strips and paint.
A:There are many websites that help students complete their math homework and also offer lesson plans to help students understand their homework. Some examples of these websites are Khan Academy, Pinchbeck, the Scholastic Homework Club and Slader. Students can also contact a tutor or go to their teacher for private help. Websites like All Homework also do homework for the user and let them see the solutions.
A:Rods and cones function as photoreceptors in the retina of the eye, turning visible light into neuronal signals, which are sent to the brain. This process is called transduction. Rods and cones perform at different wavelengths and sensitivities allowing detailed perception of light and color.
A:Geography mixes hard science and the humanities to show how humans have grown over the ages. Cultural geography studies how culture and geography affect one another. Physical geography examines the physical aspects of the world, such as water and landscapes.
A:Active listening is important, because it establishes a connection between speaker and listener. This allows for ease of interaction and ensures that messages are being related completely and properly. Active listening helps develop better speaking skills and stronger groups.
A:Fractions are necessary in every day life because everything does not fit into a perfectly defined number. Such tasks as cooking, building, sewing and manufacturing use fractions for measurements that potentially change the outcome of the product. Fractions are also involved with business and the monetary system.
A:According to Dictionary.com, group dynamics are behaviors that occur when people are grouped together either accidentally or by choice. There are many psychological processes involved when people interact with one another. Studying group dynamics can be useful in understanding why people act or think the way they do.
A:One of the the best ways to learn to speak Gaelic, or any language, is by first listening and then repeating and speaking, much like how children learn language. However, since everyone has their own style of learning, it depends on the learner and the situation. Knowing Gaelic will allow someone to communicate with Irish speakers.
A:To learn shorthand, one should choose between an alphabetic and symbolic shorthand system, practice writing the symbols or alphabet and practice transcribing articles to get used to the system. Different shorthand systems offer lessons and learning kits; some of the lessons are online and include sample dictations so learners can practice writing shorthand at the speed of spoken language.
A:A valid scientific theory must summarize a hypothesis, be supported with a body of evidence taken from further testing and be submitted for peer review. In science, a theory is used to describe how something works, not why a scientist thinks something may work. For example, gravitational theory describes how the fact of gravity works, and evolutionary theory describes how the fact of evolution works.