Examlex
Osmium tetroxide, OsO4, is a soft crystal that melts at 40°C.The liquid does not conduct electricity.What kind of crystal is this?
Conservatism
A political and social philosophy that promotes retaining traditional social institutions and values, often in opposition to rapid changes and innovations.
Sensorimotor Stage
In Piaget’s theory, the stage (from birth to nearly 2 years of age) during which infants know the world mostly in terms of their sensory impressions and motor activities.
Piaget
A Swiss psychologist renowned for his pioneering work in child development and his theory of cognitive development which describes how children construct a mental model of the world.
Concrete Operational
Pertains to a stage in Piaget's theory of cognitive development, where children gain the ability to think logically about concrete events.
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