In International Studies of Reading, Mathematics, and Science Achievement, U

question 56

Multiple Choice

In international studies of reading, mathematics, and science achievement, U.S. students typically perform

• A) better than students in Korea and Japan.
• B) better than students in Canada and the Netherlands.
• C) above the international averages.
• D) at or below the international averages.

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Definitions:

Ions

Atoms or molecules that have gained or lost one or more electrons, making them positively or negatively charged.

Chemical Process

A method or means of changing one or more chemicals or chemical compounds, often involving reactions that transform materials.

Cortisol

A hormone synthesized by the adrenal glands that is often secreted in reaction to stress and decreased levels of blood sugar.

Myelin Sheath

A fatty layer encasing the axons of some neurons, which increases the speed at which electrical impulses propagate along the nerve cells.