Common Knowledge and General Knowledge Series #5

Aerial, also called antenna, is a device that transmits and receives radio, television and radar signals.

Aerobics is a system of exercises designed to promote the supply and use of oxygen in the body.

Aerodynamics is the study of the forces acting on an object as it moves through air or some other gas.

Aeroplane is an engine-driven machine that can fly through the air supported by the flow of air around its wings.

Aerosol is a mixture of extremely small particles and gas.

Aerospace medicine is the field of medical science concerned with the effects of flight on human health.

Aeschylus (525-456 B.C.) was the earliest writer of Greek tragedy whose plays exist in complete form.

Aesop’s Fables are a collection of stories attributed to a Greek slave named Aesop, who lived in about 600 B.C. Like all fables, each of these brief tales teaches a moral and offers useful advice.

Aesthetics is the study of theories that apply to the arts in a broad and fundamental way.

Aestivation is a dormant state that occurs in the life of some animals during hot, dry periods.

Affidavit, in law, is a written or printed statement of facts sworn to, or affirmed, before a notary public, or any other person qualified to administer an oath.

Afghan hound is a dog known for its speed and agility.

Africa is the second largest continent in area and in population.

African violet, also called Saintpaulia, is a tropical plant with beautiful flowers and heart-shaped, fuzzy leaves.

Afrikaans language is one of the 11 official languages of South Africa.

Afrikaner Broederbond is a secret fraternity (brotherhood), that worked to further the interests of Afrikaans-speaking white people in South Africa.

Agamemnon, in Greek mythology, led the Greek army that conquered Troy in the Trojan War.

Agar-agar is a gelatine-like substance obtained from seaweeds such as Ceylon moss.

Agate is a banded form of chalcedony, a fine-grained, porous type of quartz.

Age is a term used for any stage in the life of a person, such as childhood, youth, adulthood, and old age.

Age of Reason was a period in history when philosophers emphasized the use of reason as the best method of learning truth.

Agent is a person who represents someone else in legal, business, or other matters.

Agent Orange is the military code name for a weedkiller used by the United States during the Vietnam War.

Ageratum is a popular, low-growing, annual plant of flower gardens.

Aggression, in psychology, is hostile behaviour that may hurt or upset other people.

Aging is the process of growing old.

Agnosticism is the belief that ultimate questions, especially those about the existence of God, cannot be answered.

Agouti is a rodent that lives in dense forests from southern Mexico to northern Argentina, and in the West Indies.

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