Finals1 Flashcards

0
Q

What should be done if the results of an experiment do not agree with ones hypothesis

A

Hypothesis should be altered to explain facts..run experiment again

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1
Q

Steps in the scientific method

A

Make an observation, formulate a hypothesis, perform the experiment, collect data, analyze data, make a conclusion

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2
Q

A summary of observed behavior

A

Natural law

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3
Q

What do we call an explanation of behavior

A

Theory

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4
Q

Element that has some characteristics of metals and nonmetals

A

Metalloids

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5
Q

The metalliods

A

B Si Ge As Sb Te

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6
Q

Fundamental units for mass, temperature, volume, and length in the SI system

A

Kg, kelvin, m3, m

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7
Q

How does a cubic centimeter compare to a millimeter? A liter?

A

They are equal

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8
Q

Mass is neither created or destroyed during regular chemical or physical changes

A

Law of conservation of mass

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9
Q

Any amount of a compound contains the same element in the same proportions by mass

A

Law of definite proportions

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10
Q

Applies when 2 or more elements combine to make more than one type of compound

A

Law of multiple proportions

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11
Q

Definite shape and volume

A

Solid

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12
Q

Definite volume indefinite shape

A

Liquid

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13
Q

Indefinite volume and shape

A

Gases

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