what are the three variables in science ks3?
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The things that are changing in an experiment are called variables. A variable is any factor, trait, or condition that can exist in differing amounts or types. An experiment usually has three kinds of variables: independent, dependent, and controlled.
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Familiar types of continuous variables are income, temperature, height, weight, and distance. There are two main types of continuous variables: interval and ratio.
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['art, including animation, design, illustration, painting, drawing or photography.', 'maths.', 'science, especially physics, computer science or engineering.', 'visual effects.']
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Factors that Influence Weather They use the best available science, as well as three key variables that are critical to understanding weather: air pressure, temperature and air density.
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A variable is any factor, trait, or condition that can exist in differing amounts or types. An experiment usually has three kinds of variables: independent, dependent, and controlled. The independent variable is the one that is changed by the scientist. Why just one?
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Three subjects to include Chemistry and Biology or Human Biology. General Studies and Key Skills. Biology or Chemistry plus another designated science subject (Biology, Chemistry, Physics, Maths/Further Maths/Statistics) and a third academic subject.
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There are three main branches of science: physical science, Earth science and life science.
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['Light intensity.', 'Carbon dioxide concentration.', 'Temperature. It is useful to be able to interpret a graph like the example below.']
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['the kilogram (kg), for mass.', 'the second (s), for time.', 'the kelvin (K), for temperature.', 'the ampere (A), for electric current.', 'the mole (mol), for the amount of a substance.', 'the candela (cd), for luminous intensity.', 'the meter (m), for distance.']
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['maths.', 'physics.', 'astrophysics.', 'geophysics.', 'astronomy.', 'space science.']
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A variable may also be called a data item. Age, sex, business income and expenses, country of birth, capital expenditure, class grades, eye colour and vehicle type are examples of variables. It is called a variable because the value may vary between data units in a population, and may change in value over time.
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['light intensity.', 'carbon dioxide concentration.', 'temperature.']
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The two main variables in an experiment are the independent and dependent variable. An independent variable is the variable that is changed or controlled in a scientific experiment to test the effects on the dependent variable. A dependent variable is the variable being tested and measured in a scientific experiment.
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['Domain. The set of values of the independent variables for which a function or relation is defined.', 'Range. The set of values of the dependent variables for which a function or relation is defined.', 'Y-intercept. ... ', 'X-intercept. ... ', 'Maximum. ... ', 'Minimum. ... ', 'Increasing. ... ', 'Decreasing.']
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The dependent variable is the formation of the slime mold—rate, size, etc. The constants include the dishes, the nutrient and the source of the Physarum.
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['Pre-calculus (preferred)', 'Calculus (optional)', 'Chemistry (preferred)', 'Biology (preferred)', 'Physics (optional)']
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TL;DR (Too Long; Didn't Read) Variables represents the measurable traits that can change over the course of a scientific experiment. In all there are six basic variable types: dependent, independent, intervening, moderator, controlled and extraneous variables.