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Creado por Crystal Waters
hace más de 10 años
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Pregunta | Respuesta |
Science | An organized way of gathering and analyzing evidence about the natural world, a process. |
Observation | The act of noticing and describing events or process in a careful, orderly way. |
Data | Detailed records of experimental observations. |
Quantitative Data | Numbers obtained by counting and measuring. |
Qualitative Data | Descriptive involved characteristics that normally can not be measured. |
Hypothesis | A scientific explanation for a set of observations that can be tested in ways that support or reject it. |
Controlled Experiment | An experiment in which only one variable is changed. |
Independent Variable | The variable that is deliberately changed. |
Dependent Variable | The variable that changes in response to the independent variable. |
Theory | Well tested explanation that unifies a broad range of observations. |
Atom | Basic unit of matter. |
Element | Pure substance. |
Atomic Number | Number of protons in nucleus. |
Isotopes | Number of protons and neutrons in nucleus. |
Compound | Substance formed by a chemical change. |
Ionic Bond | Formed when electrons transfer from one atom to another. Oppositely charged atoms are then attracted to each other to form the bond. |
Molecule | Structure that results when two or more atoms bond. |
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