What are the street names for it?

Beer, wine, liquor, cooler, booze, malt liquor.

What type of drug is it?

Alcohol is a depressant.

What does it look like?

In today's world, alcohol is not often thought of as a drug - largely because its use is common for both religious and social purposes in most parts of the world. It is a drug, nonetheless, and drinking in excess has become one of modern society's most serious and pandemic problems.

Beverage alcohol (C 2 H 5 OH), known chemically as ethyl alcohol or ethanol, can be produced by fermenting and distilling a number of different fruits, vegetables or grains. The ethyl alcohol itself is a clear, colorless liquid. Alcoholic beverages get their distinctive colors from the diluents, additives, and by-products of fermentation.

What is its history?

Alcohol has been produced by humans for over 12,000 years. It has been speculated that many ancient farming efforts were undertaken not so much for the food they would yield but rather to create the raw materials for alcohol production. Alcohol has impacted every society since caveman times in one way or another. Some have used it in worship rituals, some in social customs, some have had widespread social problems with alcohol and some have banned it altogether. 

How is it used?

Alcohol takes on one of three general forms: beer, wine or distilled liquor. The standard servings of 1 oz. of liquor, 6 oz. of wine or 12 oz. of beer all contain roughly the same amount of alcohol: 10-14 grams of ethyl alcohol.

What are the effects?

The effects of alcohol can range from mild intoxication; a feeling of warmth; flushed skin; impaired judgment; decreased inhibitions to extreme intoxication, coma and death. The effect will vary according to body size, amount consumed and time frame of consumption. Combining alcohol with other drugs is seriously dangerous! Many accidental deaths have occurred after people have used alcohol combined with other drugs.
Long-term effects of alcohol appear after repeated use over a period of many months or years. The negative physical and psychical effects of chronic abuse are many and some are potentially life threatening. Some of these problems are primary (they result directly from prolonged exposure to alcohol's toxic effects), such as heart and liver disease, pancreas, ulcers and inflammation of the stomach.
Others are secondary (indirectly related to chronic alcohol abuse), they include loss of appetite, vitamin deficiencies, infections, social problems and sexual impotence or menstrual irregularities.

What kind of dependence does it lead to?

Physical and psychical dependence occurs in consistently heavy drinkers. Alcohol is an extremely potent drug and when the user's body has adapted to the presence of alcohol, he or she will suffer withdrawal symptoms if alcohol use is stopped suddenly. Withdrawal symptoms range from jumpiness, sleeplessness, sweating, and poor appetite, to tremors (the "shakes"), convulsions, hallucinations, and sometimes death in those with an already deteriorated physical condition. It is a little-known fact that alcohol is one of the most difficult and dangerous drugs to detoxify from after an extended period of heavy use.

Physical Dependence:

severe with frequent, heavy use

Psychical Dependence:

moderate

Tolerance:

strong with frequent, heavy use