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| the smallest particle of matter. |
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| negative particle of an atom - orbits around nucleus. |
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| made of atoms; has mass & volume. |
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| Water Displacement (irregular solids) |
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| use a graduated cylinder to measure the volume; how much the water level rises. |
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| If...then...statement; an educated guess about the outcome of an experiment. |
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| Metric Length (base unit) |
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| the amount of matter in a particular amount of space; mass per unit volume; the same for a substance no matter the amount. |
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| physical change; solid to a liquid; particles tightly packed to more freedom of movement. |
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| discovered that atoms have a densely packed nucleus with protons (positive) & neutrons. |
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| negatively charged particle of an atom; has very little mass. |
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| movement of heat in a circular or up & down motion; hot air rises. |
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phase change from a solid to a gas;
dry ice is an example. |
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| particles have some movement; slip & slide past each other; fixed volume; NO fixed shape. |
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| heat is transferred between two objects touching each other; a spoon in a pot of boiling water. |
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| the amount of matter in an object; NOT affected by gravity; measured in grams. |
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| the temperature that all molecular motion stops; -273 Celsius. |
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| the variable that is manipulated or changed by the experimenter on purpose. |
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| the group of objects in an experiment that are not manipulated or that receive NO special treatment. |
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| particles are tightly packed; vibrate in place; fixed shape & fixed volume. |
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| expand - have space between particles; rapidly movement (lots of energy); can compress into any size or shape. |
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