Some tree species delay seed fall because their cones are dependent on a brief blast of heat to release seed. This dependency on heat during the seed production cycle is called "serotiny" and becomes a heat trigger for seed drop that may take decades to occur. Natural fire has to happen to complete the seed cycle.
Classroom arrangement is one of the key decisions that teachers need to make when they begin a new teaching year. A few of the items that need to be decided include where to place the teacher desk, how to place the student desks, and whether or not to use seating charts. Where to Place the Teacher Desk Teachers typically place their desk to the front of the classroom.
Chinese Taoist alchemists were the major force behind the early invention of gunpowder. Emperor Wu Di (156-87 BCE) of the Han dynasty financed research done by the alchemists on the secrets of eternal life. The alchemists experimented with the sulfur and saltpeter heating the substances in order to transform them.
Mattel Inc manufactures the iconic Barbie doll. She first appeared on the world stage in 1959. American businesswoman Ruth Handler invented the Barbie doll. Ruth Handler's husband, Elliot Handler, was the co-founder of Mattel Inc, and Ruth herself later served as president. Read on to discover how Ruth Handler came up with the idea for Barbie and the story behind Barbie's full name: Barbara Millicent Roberts.
Achilles orders the Myrmidons to drive their chariots in battle formation, and they go three times around the body of Patroclus. Then they have a funeral feast. When Achilles falls asleep, the ghost of Patroclus tells him to hurry up and bury him, but also to make sure their bones are interred in the same urn.
The Battle of Gonzales was the opening action of the Texas Revolution (1835-1836). The Texans and Mexicans clashed near Gonzales on October 2, 1835. Armies and Commanders at the Battle of Gonzales Texans Colonel John Henry Moore 150 men Mexicans Lieutenant Francisco Castañeda 100 men Background Information With tensions rising between the citizens of Texas and the central Mexican government in 1835, the military commander of San Antonio de Bexar, Colonel Domingo de Ugartechea, began taking action to disarm the region.
Polyvinyl chloride or PVC was first created by the German chemist Eugen Baumann in 1872. Eugen Baumann never applied for a patent. Polyvinyl chloride or PVC was never patented until 1913 when German, Friedrich Klatte invented a new method of the polymerization of vinyl chloride using sunlight. Friedrich Klatte became the first inventor to receive a patent for PVC.
The American artist George Catlin became fascinated with Native Americans in the early 1800s and traveled extensively throughout North America so he could document their lives on canvas. In his paintings and writings, Catlin portrayed Indian society in considerable detail. “Catlin's Indian Gallery,” an exhibit which opened in New York City in 1837, was an early opportunity for people living in an eastern city to appreciate the lives of the Indians still living freely and practicing their traditions on the western frontier.
Amy Elizabeth Fisher was born on August 21, 1974. In her book, "Amy Fisher: My Story," co-written with Sheila Weller, Amy wrote that she suffered early childhood trauma after a family member, repeatedly, sexually abused her. Then, at age 13, a man hired to work at her home raped her. In her very early teens, she was sexually active, eventually resulting in an unwanted pregnancy and abortion.
Local Magistrates Presiding for Examinations Before the Court of Oyer and Terminer was appointed, these magistrates presided at the examinations, which functioned as preliminary hearings and decided whether there was enough evidence to hold an accused witch for trial: Jonathan Corwin , Salem: a wealthy merchant and twice a member of the colony's assembly, he had been a local magistrate, hearing petty crimes.
Follow this timeline to learn about the series of steps over decades that led to the creation of the European Union. Pre-1950 1923: Pan European Union society formed; supporters include Konrad Adenauer and Georges Pompidou, later leaders of Germany and France. 1942: Charles de Gaulle calls for a union.
¿Qué es la línea de Pobreza? La línea de la pobreza se determina por la cantidad de ingresos por hogar y del número de personas que conforman la familia. Vivir con menos ingresos de lo que se determina cómo línea de pobreza, o con menos de un porcentaje de la misma, otorga algunos beneficios sociales y/o la posibilidad de no pagar tarifas migratorias.
Are you looking for a few fun ideas that will help increase your students writing, speaking, listening and reading vocabulary? Well here are 6 motivational activities to help expand their vocabulary. Fun With Literature When students hear the name Junie B. Jones or Ameila Bedelia (the main characters that are in popular book series) you will probably hear a roar of cheers from your students.
Often counted among the gods and goddesses, there are two main groups of titans in Greek mythology. They come from different generations. The second generation is probably the one you're familiar with. They are depicted as humanoid, even if giant. The earlier ones are even bigger - as large as is visible to the naked eye - so it's no wonder titanic signifies exceptional size.
The term elasmobranch refers to the sharks, rays, and skates, which are cartilaginous fishes. These animals have a skeleton made of cartilage, rather than bone. These animals are collectively referred to as elasmobranchs because they are in the Class Elasmobranchii. Older classification systems refer to these organisms as Class Chondrichthyes, listing Elasmobranchii as a subclass.
In the field of plate tectonics, a triple junction is a name given to a place where three tectonic plates meet. There are roughly 50 plates on Earth with about 100 triple junctions among them. At any boundary between two plates, they are either spreading apart (making mid-ocean ridges at spreading centers), pushing together (making deep-sea trenches at subduction zones) or sliding sideways (making transform faults).
The feelings of romantic love are pretty universal -- even if it seems like nobody could ever have felt the way you do; that's universal, too. And that's why songs and poems often say just what you're feeling -- only better than you can express it. If you want to tell your sweetheart just how you feel about him or her, whether it's Valentine's Day or any old day, but you can't quite find the just the right words, maybe these classic poems from some of the greatest poets in the English language might fit the bill or give you some ideas.
Although it may seem obvious, there is no single, simple answer. Here are some of the common ideas and their short-comings. Following these is a look at what folklorists and psychologists/psychoanalysts take the term to mean. Finally, there is a working definition you may find useful. If It's a Silly Story, It Could Be a Myth Everyone knows what a myth is, right?
In the Middle Ages, baron was a title of honor given to any nobleman who pledged his loyalty and service to a superior in return for land that he could pass on to his heirs. The monarch was usually the superior in question, although each baron could parcel out some of his land to subordinate barons. Read on the learn about the etymology of the term and how the title has changed over the centuries.
In psycholinguistics, a person's internalized knowledge of the properties of words. Also known as a mental dictionary . There are various definitions of mental lexicon . In their book The Mental Lexicon: Core Perspectives (2008), Gonia Jarema and Gary Libben "attempt" this definition: "The mental lexicon is the cognitive system that constitutes the capacity for conscious and unconscious lexical activity.
The term “Rust Belt” refers to what once served as the hub of American Industry. Located in the Great Lakes region, the Rust Belt covers much of the American Midwest (map). Also known as the “Industrial Heartland of North America”, the Great Lakes and nearby Appalachia were utilized for transportation and natural resources.