Science vocab
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| a relation stating that in a chemical reaction, the mass of the products equals the mass of the reactants. | Law of conservation of mass
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| properties of an element or compound that can be observed without a chemical reaction of the substance. | Physical change
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| A chemical change produces a new substance. | Chemical change
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| one of a class of substances that cannot be separated into simpler substances by chemical means. | Element
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| molecules composed only of two atoms, of either the same or different chemical elements. | Diatomic Molecule
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| Used to measure the amount of water there is. | graduated cylinder
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| Measure the mass of objects. | triple beam balance
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| a substance that participates in a chemical equation, esp a substance that is present at the start of the reaction Compare product | Reactants
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| A product is a substance that is formed as the result of a chemical equation | products
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| A coefficient is a number placed in front of a term in a chemical equation to indicate how many molecules (or atoms) take part in the reaction. | coefficient
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| The number that represents how many of that atom that's behind it. | Subscript
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| take temperature of solids, liquids, and gases. | Thermometer
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| Used to hold and heat liquids. | Beaker
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| used to hold liquids. | test tube
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| An object at rest stays at rest. an object in motion stays in motion, unless acted on my an outside force. | Newton's 1st law
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| in this law the direction of the force is the same as the direction of the acceleration . | Newton's 2nd law
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| in this law the direction of the force vector is the same as the direction of the acceleration vector. | Newton's 3rd law
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| How fast an object is traveling. | Speed
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| How far an object has traveled. | Distance
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| the rate at which the velocity of a body changes with time | Acceleration
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