bacteria : Microscopic, single-celled organisms that exist around you and inside you.
conclusion: The summary of an experiment, based on data related to a hypothesis.
culture: To grow micoroorganisms in a specially prepared nutrient medium.
decomposer: An organism, often a bacterium or fungus, that feeds on and breaks down dead plant or animal matter.
experiment: A series of steps to find the answer to a question.
fungi: Organisms that are neither plant or animals, but have characteristics of both and absorb food from whatever they are growing on.
hypothesis: An idea made into a statement that can be tested.
investigation: A process designed to answer a question.
microorganism: A living thing that can only be seen with the aid of magnification.
organism: A living thing.
producer: A living thing, like a green plant, that makes its food from simple substance usually using sunlight.
protozoan: Microscopic organisms that usually live in water.
single-celled: any organism that has only one cell, the smallest unit of life.
variable: (experimental) A part of an experiment that is changed in order to find out the effects of that change.
control: A part of an experiment that is kept the same to be used for comparison.