Experiment - is a structured test of a hypothesis, Hypothesis - an idea or explanation that you then test through study and experimentation. It is stated in terms of a testable relationship, Scientific Prediction - is a forecast about what may happen in some future situation based on current evidence or past experiences , Inference - is an explanation based on observations and background knowledge, Independent Variable - manipulated variable of an experiment. It is the item changed on purpose by the scientist or person conducting the experiment, Dependent Variable - Responding Variable of an experiment. The result, response. or outcome that is measured to give you data , Purpose - The reason for doing the experiment, Conclusion - A conclusion is formulated from the collected data, Atom - Smallest unit of an element that sill has the properties of that element, Proton - A positively charged subatomic particle found inside the nucelus, Neutron - A subatomic particle with no charge found in the nucleus, Electron - A negatively charged subatomic particle found outside the nucleus, Atomic Matter - The number found on the periodic table of elements that determines the number of protons, Element - A pure substance made up of only one kind of atom, Compound - A substance made up of two or more elements that are chemically joined, Matter - Anything that has mass and takes up space (solid, liquid,gas), Chemical Equation - A way to show a chemical reaction using symbols, Chemical Change - A change in matter that produces NEW substances, Qualitative - descriptive, interpretive, and focuses on understanding concepts and experiences., Quantitative - data is numerical, measurable, and used for statistical analysis,,

UNIT 1 Scientific Thinking/Matter/Atoms

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