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| The study of living things. |
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| A series of steps followed to solve problems. |
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| An explanation that is based on prior scientific research or observations and that can be tested. |
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| An experiment that tests only one factor at a time by using a comparison of a control group with an experimental group. |
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| A factor that changes in an experiment in order to test a hypothesis. |
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| A pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept. |
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| An explanation that ties together many hypotheses and observations. |
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| A summary of many experimental results and observations; a law tells how things work. |
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| The application of science for practical purposes; the use of tools, machines, materials, and processes to meet human need. |
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| Compound Light Microscope |
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| An instrument that magnifies small objects so that they can be seen easily by using two or more lenses electron microscope a microscope that focuses a beam of electrons to magnify objects. |
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| A measure of the size of a surface or a region. |
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| A measure of the size of a body or region in three-dimensional space. |
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| A Measure of the amount of matter in an object. |
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| a measure of how hot (or cold) something is. |
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