Math is the study of abstractions. Math allows us to isolate one or a few features such as the number, shape or direction of some kind of object. Then we can study what can be learned about the behavior of those features while ignoring everything else about the object.
This category encompasses all questions about the composition, structure, properties, and reactions of matter.
The use of letters to substitute unknown numbers to form an equation. Solve the equation to get the unknown number using different methods such as simultaneous equations and more.
The observation, identification, description, experimental investigation, and theoretical explanation of phenomena is all part of science. Nothing is immune to the scientific process: from charm quarks that haven't existed naturally since the beginning of time to Pluto, recently demoted from planet to dwarf planet. Questions on knowledge about the material and physical aspects of our world are asked and answered here.
Physics regards the physical aspects of the natural world. It includes topics that deal with forces on different bodies within the universe and phenomena that explain how the universe works.
Geometry = Math of Euclid. Geometry is the Branch of math known for shapes (polygons), 3D figures, undefined terms, theorems, axioms, explanation of the universe, and pi.
This section covers topics of genetics such as variation, pedigrees, Mendelian genetics and mutations.
Biology is a branch of science that studies the nature of life from the smallest parts of living things to the largest plants and animals. Ask and answer questions about the living world and its wonderful inhabitants in this category!
Find questions about the important events of the United States of America from the US Civil War to US Presidents.
This category should include questions about greatest common factors and lowest common multiples.
Ang kategoryang ito ay para sa mga katanungan nagtanong sa wikang Tagalog. This category is for questions asked in the Tagalog language.
The supreme law of the United States, the Constitution provided the framework for the creation of the United States government.
A truly healthy person has a sound body and mind that is free of disease and infirmity. Healthy living includes taking the steps needed to optimize one's chances of surviving and thriving, like eating a healthy diet and exercising regularly. Questions relating to all aspects of health and living a healthy life are welcome here!
Animals enrich our lives in so many different ways. The Animal Life category is for questions and answers about animals of all types, including pets, sea life, and farm animals. You can ask questions or find information regarding animals, their history, care, health issues, breeding, and behavior.
Percentages are defined as a fraction or portion of a whole. Generally percentages deal with an amount out of one hundred but can be used in sales, economics, and science. If you've walked into any store you're sure to find something marked a certain percent off. Fractions are not whole numbers with a numerator over a denominator. Usually the numerator and denominator are expressed as integers. There are four types of fractions: simple fractions, complex fractions, mixed fractions, and improper fractions. Decimals are also not integers. They are expressed often like 0.34 and are often rounded off since some go for too long. Both decimals and fractions are also used to convert to percentages.
Rounding numbers involves making the last number requested the last digit in the number and replacing all numbers after it with zeros. For example, rounding the number 23456 to the tens digit would result in the number 23460.
Definitions are the meanings of words.
'History, Politics and Society' deals with the affairs of human beings. The categories overlap to a degree: 'History' describes changes in those affairs, and encompasses the other two; 'Politics' is about how people govern themselves; and 'Society' is about how people organize and conduct their lives. Questions here range from ancient history to history-in-the-making, political views to decisions of lawmakers, and present and past societies and how people relate to each other within their societies.
Numbers are our way to quantify, label, and organize the world around us in a logical manner. However, the systems used to obtain this goal differ geographically, historically, and by relative utility. All questions pertaining to numbers, including historic labeling systems, bases of numerical systems, constants, and the various ways they're grouped together, should be placed into this category.
This topic includes questions about all the drama about teen dating and questions about how to deal with your feelings, such as falling in love with your best friend, good dating skills, and more.
This category is for questions and answers about forms of books and literature. The categories subtopics include authors, poetry, plays, classics, and many other literary elements.
Ever wanted to know the difference between a boysenberry and a blueberry? socialism and communism? Windows and Linux? Look no further. This category answers your questions about 'The Differences Between...'
Questions about the properties and characteristics of elements as observed in nature and in compounds. Chemical formulas are also converted to and from symbols in covalent or ionic bonds. All the questions you want to ask about the elements and the compounds they form.
The study of plant life is known as botany. All questions related to plant sciences such as taxonomy are welcome here.
The category includes questions about the various ways in which humans measure objects or concepts. This category is also home to conversions between units such as grams to pounds or liters to milliliters.
The history of the thirteen British colonies that would eventually declare independence in 1776 and later become the United States.
The use of words to evoke memories and emotions has long been an endeavor of the human race. The styles are wide and varied, some requiring rigid guidelines, rhyming couplets and specific syllable counts will others refuse to be constrained and thrive on free form and ignore rules of any type.
Economics is the study of production, distribution and consumption of goods and services whether in a city, country or a single business. Questions about supply and demand and economic theory are welcome here.
Celebrities often go through a great deal of trouble to make themselves look young. If you're wondering how old a celebrity is, when they were born or when they died, this is the place to ask.
This category is for questions and answers about the American Civil War. This was an internal conflict involving the state rights, and divided the United States in a bloody struggle. It was fought after the secession of eleven southern states, and lasted from 1861 to 1865.