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17 Cards in this Set
- Front
- Back
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Whats an isotope?
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any of two or more species of atoms of a chemical element with the same atomic number nearly identical chemical behavior but with differing atomic mass or mass number and different physical properties
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Whats a hypothesis?
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a possible answer
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What are the 2 main branches of science?
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Social and Natural
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Whats an atom?
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The smallest particle that has the properties of an element.
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Whats a pie graph used for?
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parts of a whole
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Whats pH?
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a measure of the hydronium ion concentration in a solution.
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List 3 Natural sciences and identify examples of each.
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Biology-zooology
Physical-Chemistry Earth-geology |
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Whats a theory?
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A tested idea
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Bases turn blue_____ and red ____?
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blue..blue..
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Whats a law
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observed fact
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Acid turns red litmus___ and blue litmus____?
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red..red
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Whats a base?
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A substance that contations hydroxide ions, OH, or reacts with water to form hydroxide ions.
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Whats a molecule?
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the smallest particle of a substance that retains all the properties of the substance and is composed of one or more atoms
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Describe the scientific method.
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Observe-Formulate A Question-Collect Data-Form a hypothesis-test the hypothesis-observe-draw a conclusion
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How many variables are there supposed to be in a experiment?
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1
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What is a linegraph used for?
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Data that changes
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What is a bargraph used for?
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Compare data for several items
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