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Unit 1
Lab safety, scientific method, and metric system
Term | Definition |
---|---|
life science | the study of living and nonliving things |
scientific method | a series of steps that scientist use to answer questions and solve problems |
hypothesis | a possible explanation or answer to a question |
controlled experiment | an experiment that tests only one variable at a time |
variable | a factor in a control experiment that changes |
theory | a unifying explanation for a broad range of hypotheses and observations that have been supported by experimentation |
technology | the application of knowledge, tools, and materials to solve problems and accomplish tasks, technology can also refer to the objects used to accomplish tasks |
compound light microscope | a microscope that consists of a tube with lenses, a stage, and a light source |
electron microscope | a microscope that uses tiny particles of matter to produce magnified images |
area | the measure of how much surface an object has |
volume | the amount of space that something occupies or the amount of space that something contains |
mass | the amount of matter that something is made of |
temperature | a measure of how hot or cold something is |