Examlex
According to Piaget, children move from the stage of formal operations to the stage of concrete operations at about age 12.
Rubber
A flexible, elastic material obtained from the latex of certain plants or synthetically produced, used in making tires, gloves, and various other products.
Gaseous Chemical Products
Substances in their gaseous state that are produced through chemical reactions for various industrial, medical, or domestic purposes.
Explosion
A sudden and violent release of energy that results in a rapid increase in volume and release of gases, often accompanied by heat, light, and sound.
Energy
The quantitative property that must be transferred to an object in order to perform work on, or to heat, the object.
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