Examples of instructional materials include books, pamphlets, games, maps, textbooks, musical scores, notebooks, films and videos. Instructional materials can also include manipulative items for in-class lessons such as protractors, safety goggles, T-squares, blocks, chalk, models, pencils, rulers and art supplies. Using a variety of instructional materials allows students with different learning preferences to access the content being taught and increases the likelihood that all students learn effectively.Know More
Instructional materials can be divided into fixed and flexible materials. In fixed instructional materials, such as printed textbooks or CDs, the content and material are indivisible and cannot be altered. While many students learn well from textbooks, often teachers choose to provide additional learning options for the students who struggle with reading print.
Flexible instructional materials allow content to be separated from the presentation of the content. Digital texts, for example, can be manipulated by enlarging words, using a text-to-speech converter to have the material read aloud or embedding with additional clickable information. Instructional materials can also include online resources used to convey information to students, including open-source material available for downloading.
Some states, school boards or communities have rules regarding the adoption of instructional materials within a school system. Schools and school districts often must certify that their instructional materials cover the curriculum elements required to be taught.Learn more about Education
Some common dielectric materials include mica, plastics, glass, porcelain and various metal oxides. Dry air also serves as a superior dielectric and performs that role in some transmission line types and variable capacitors. Distilled water serves as a fair dielectric, while a vacuum has considerable efficiency in this role.Full Answer >
Aluminum, copper, tin, mild steel, platinum and lead are examples of ductile materials. Ductile materials can be stretched without breaking and drawn into thin wires. Ductility is an important property for manipulating these metals by hammering, drawing or rolling. It makes possible their use for making electrical wires, pipes, plates and other metalworks.Full Answer >
Some examples of malleable materials are gold, silver, iron, aluminum, copper and tin. While not all objects are malleable, most metals are. Their ease and flexibility when in comes to shaping are the reason they are so widely used to make jewelry and electronic circuits.Full Answer >
Some combustible materials include fuel oil, paint, kerosene, paints, cesium, magnesium, aluminum powder, calcium, sawdust, plastic dust, coal, flour and powdered metal. Combustible liquids are different from flammable liquids in that flammable liquids have flash points below 100 degrees Fahrenheit and combustible liquids have flash points above 100 degrees Fahrenheit. A flash point is the lowest temperature at which a liquid releases enough vapors to start burning.Full Answer >