The development of spoken/oral language normally occurs without formal teaching. It develops as a result of exposure to spoken language. Problems with language development may not be recognized for a long time unless the child simply fails to begin talking. Oral language is the basis for learning reading and written language and for benefitting from instruction in other areas. It is important to identify children whose language is not developing normally so that more specific stimulation and… Continue

Chemical reaction



Fires start when a flammable and/or a combustible material with an adequate supply of oxygen or another oxidizer is subjected to enough heat and is able to sustain a chain reaction. This is commonly called the fire tetrahedron. No fire can exist without all of these elements being in place.



Once ignited, a chain reaction must take place whereby fires can sustain their own heat by the further release of heat energy in the process of combustion and may… Continue