Examlex
What is the mass number of an atom that contains 23 protons,23 electrons,and 28 neutrons?
Active Discovery
A learning process where individuals engage directly with the environment to uncover information through hands-on experiences.
Developmental Level
A measurement of the progress of growth or advancement in physical, emotional, intellectual, or social skills.
Piaget
A psychologist known for his pioneering work in child development, specifically for his theory of cognitive development that describes how children construct a mental model of the world.
Seriation
The ability to arrange objects in order by size, location, or another characteristic, which is a crucial cognitive development skill in children.
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