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Chemisty Unit One > Unit One > Flashcards

Unit One Flashcards

1
Q

A broad and extensively tested explanation of why experiments give certain results

A

Scientific theory

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2
Q

A logical approach to the solution of scientific results

A

Scientific method

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3
Q

A concise statement that summarizes the result of many observation and experiments

A

Scientific law

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4
Q

A means to test a hypothesis

A

Experiment

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5
Q

A proposed explanation for an observation

A

Hypothesis

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6
Q

An iron ball falls to earth when you drop it, what is that experiment, hypothesis, observation, or theory?

A

Observation

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7
Q

Earth is a giant magnet is it a hypothesis, observation, or theory?

A

Hypothesis

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8
Q

An iron ball and a piece of wood are dropped at the same time from the same height is it a hypothesis, observation, or theory?

A

Experiment

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9
Q

The iron ball and wood fall at the same rate is it a hypothesis, observation, or theory?

A

Observation

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10
Q

The large mass of earth causes it to exert the same gravitational attraction on any object, regardless of the objects composition. Is it a hypothesis, observation, or theory?

A

Hypothesis

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11
Q

A quality or condition of a substance that can be observed or measured without changing the substances composition?

A

Physical property

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12
Q

Matter that assumes both the shape and volume of its container

A

Gas

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13
Q

Matter that has a uniform and definite composition

A

Substance

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14
Q

Anything that has mass and takes up space

A

Matter

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15
Q

Matter that has a definite shape and volume

A

Solid

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16
Q

The amount of matter that has a object contains

A

Mass

17
Q

Matter that has a definite volume and takes the shape of its container

A

Liquid

18
Q

Alteration of a material without changing its chemical composition

A

Physical change

19
Q

Gaseous state of a substance that generally exists as a liquid or solid at room temperature

A

Vapor

20
Q

Is steam a solid, Liquid, gas or vapor?

A

Vapor

21
Q

Is gasoline a Liquid, gas or vapor

A

Gas

22
Q

Is a hockey puck a Liquid, gas or vapor

A

Solid

23
Q

Is filtered apple juice a Liquid, gas or vapor

A

Liquid

24
Q

The use of ones senses to obtain information directly

A

Observation

Chemisty Unit One (1 decks)

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