Examlex
A sample of a radioisotope has a mass of 40.0 g.After 28 hours 1.25 g of the radioisotope
remains unchanged.
What is the half-life of this radioisotope?
Dynamic System
A system characterized by constant change, activity, or progress, often used to describe natural or social systems that evolve over time.
Deductive Reasoning
A judgment-making process in which the outcome depends on the compatibility of several premises presumed to be factual.
Theory-Theory
The idea that children attempt to explain everything they see and hear by constructing theories.
Scaffolding
An educational approach of providing temporary support to help learners progress toward stronger understanding and greater independence in the learning process.
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