| A | B |
| THC | the active ingredient in marijuana |
| stimulant | any drug that speeds up the activity of the body |
| depressant | any drug that causes the activity in the body and brain to slow down |
| alcohol | the most commonly used depressant |
| caffeine | a common stimulant found in food |
| hallucinogen | drugs that cause a person to sense things that don't actually exist |
| inhalants | drugs that are inhaled directly and enter the bloodstream through the lungs |
| flashback | a sudden reliving of the halucinogen experience |
| acid | another term for LSD |
| nicotine | a common stimulant found in all tobacco products |
| marijuana | made from the dried flowers and leaves of the cannabis plant |
| euphoria | a sense of well-being |
| psilocybin | another name for "magic mushroom" |