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These lists of words are still assigned for memorization in elementary schools in America and elsewhere. Although most of the 220 Dolch words are phonetic, children are sometimes told that they can't be "sounded out" using common sound-to-letter phonics patterns and have to be learned by sight; hence the alternative term, "sight word".
Recognizing sight words automatically account for a large percentage (up to 75%) of the words used in beginning children's print materials. [6] [7] The advantage of children being able to recognize sight words automatically is that the child will be able to identify the majority of words in a beginning text before they even attempt to read it; therefore, allowing the child to concentrate on ...
Landolt C. Lea test. logMAR chart. An eye chart is a chart used to measure visual acuity comprising lines of optotypes in ranges of sizes. Optotypes are the letters or symbols shown on an eye chart. [1] Eye charts are often used by health care professionals, such as optometrists, physicians and nurses, to screen persons for vision impairment.
A concussion is a mild form of traumatic brain injury, or TBI. It occurs when the skull and brain are rapidly jolted back and forth. This is usually the result of a bump, bang, or blow to the head ...
A heavily listing ship. The angle of list is the degree to which a vessel heels (leans or tilts) to either port or starboard at equilibrium—with no external forces acting upon it. [1] If a listing ship goes beyond the point where a righting moment will keep it afloat, it will capsize and potentially sink. [2]
6. Donkeys Pull Their Own Weight - Literally. Donkeys have been used as pack and work animals for millennia due to their ability to navigate rough terrain, their stamina, and their strength - big ...
Reticle accessory (PD-8) used in sniper rifles. A reticle, or reticule [1] [2] also known as a graticule, is a pattern of fine lines or markings built into the eyepiece of an optical device such as a telescopic sight, spotting scope, theodolite, optical microscope or the screen of an oscilloscope, to provide measurement references during visual ...
Spelling is a set of conventions for written language regarding how graphemes should correspond to the sounds of spoken language. [ 1] Spelling is one of the elements of orthography, and highly standardized spelling is a prescriptive element. Spellings originated as transcriptions of the sounds of speech according to the alphabetic principle.