Examlex
In the bicarbonate buffer system,the weak acid carbonic acid is used to buffer a strong acid such as HCl.
Conservation
The careful preservation and protection of something, especially aimed at preventing the depletion of natural resources.
Private Speech
The internal dialogue that occurs when people talk to themselves (either silently or out loud).
Vygotsky
A psychologist known for his theory of social development and concepts such as the Zone of Proximal Development and scaffolding in learning.
Coloring Worksheet
An educational tool that combines drawing with instruction, designed for children to practice motor skills and creativity by coloring within prescribed lines.
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