Silicon is a metalloid, an element with properties of both metals and non-metals. Silicon exists in two allotropic forms. Allotropes are forms of an element with different physical and chemical properties.One allotrope is in the form of shiny, grayish-black, needle-like crystals, or flat plates.The second allotrope has no crystal structure and usually occurs as a brown powder.ilicon exists in two allotropic forms. Allotropes are forms of an element with different physical and chemical properties. One allotrope is in the form of shiny, grayish-black, needle-like crystals, or flat plates. The second allotrope has no crystal structure and usually occurs as a brown powder.
The Summative Assessments are comprehensive end of year assessments of grade-level learning that measure progress toward college and career readiness.
Turning a collection of information into a summary of the childâs learning Educators collect a range of information, some of which is analysed and acted on at the time. Summative assessment ensures that everything that has been collected is analysed in relation to the Learning Outcomes.urning a collection of information into a summary of the childâs learning Educators collect a range of information, some of which is analysed and acted on at the time. Summative assessment ensures that everything that has been collected is analysed in relation to the Learning Outcomes.