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18 Cards in this Set
- Front
- Back
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___________________ is a process that uses certain skills to solve problems.
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- critical thinking
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A scientific______________ is a rule that tells us how nature works.
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- law
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The International System of Units (SI) is a system of _______________________.
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- measurement
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To measure the ________________ of a small amount of liquid you might use a graduated cylinder.
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- volume
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Scientists often perform a(n)_______________________ to test a hypothesis under controlled conditions.
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- experiment
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People once believed that living things came from nonliving matter, an idea called ________________________.
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- spontaneous generation
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Redi's experiment showed that _________________ hatch from eggs of flies, not from meat.
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- maggots
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An experiment by Pasteur showed that living things do not come from _________________ things.
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- nonliving
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The theory of ____________________ replaced the theory of spontaneous generation.
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- biogenesis
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Oparin's hypothesis suggested that early Earth's atmosphere lacked ________________.
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- oxygen
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Miller and Urey showed that substances in ___________________ things could be made from nonliving things in the environment.
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- living
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length of a room
a) liter b) gram c) meter d) degree |
-c) meter
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large distances
a) kilometer b) meter c) kilogram d) gram |
a) kilometer
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weight of a bag of flour
a) meter b) liter c) kilogram d) gram |
c) kilogram
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weight of a pencil
a) degree b) gram c) liter d) meter |
b) gram
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temperature of a sick child
a) liter b) gram c) meter d) degree |
d) degree
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volume of milk
a) liter b) gram c) meter d) kilogram |
a) liter
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Define a dichotomous key
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- helps identify organisms by presenting a series of choices
- the choices describe characteristics of the organism you are identifying |
