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Chemistry Class. > Scientific Method > Flashcards

Scientific Method Flashcards

1
Q

What are the steps of the scientific method?

A

Observations, questions, research, hypothesis, experiment, data, conclusions, refine/elaborate.

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2
Q

What do qualitative observations describe?

A

Qualities.

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3
Q

What do quantative observations use?

A

Numbers.

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4
Q

What are examples of qualitative observation?

A

Taste, the smell of something, or mood.

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5
Q

What are examples of quantitative observations?

A

Weight, height, length, population,

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6
Q

What is a hypothesis?

A

A testable prediction.

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7
Q

What is the general format of a hypothesis?

A

“If independent variable, then dependent variable.”

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8
Q

In a cause and effect format, what is the independent variable?

A

The cause.

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9
Q

In a cause and effect format, what is the dependent variable?

A

The effect.

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10
Q

What is a procedure?

A

A step by step plan.

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11
Q

In a procedure, what do the materials include?

A

All required equipment or items for an experiment.

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12
Q

What is the independent variable?

A

The variable that is being purposely changed or manipulated by the experimenter.

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13
Q

What axis is the independent variable graphed on?

A

The x-axis.

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14
Q

What is the dependent variable?

A

The variable that is being changed due to the independent variable/what is being measured?

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15
Q

What axis is the dependent variable graphed on?

A

The y-axis.

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16
Q

What does the experimental group receive?

A

The independent variable.

17
Q

What is the experimental group?

A

The group that is being tested.

18
Q

What is the control group?

A

The standard that is being tested against.

19
Q

The control group is the absence of what?

A

The independent variable

20
Q

What are constants?

A

The variables that are kept the same for each trial.

21
Q

What do constants ensure?

A

That any difference measured between groups is due to the independent variable.

22
Q

In what terms should data be analyzed in?

A

Statistical terms

23
Q

What is a conclusion?

A

A summary of the results.

24
Q

In a conclusion, a hypothesis is either what or what?

A

Rejected or supported.

25
Q

When something is accurate, it is what?

A

Its close to the value.

26
Q

When something is precise, it is what?

A

Its close together.

27
Q

When refining, the scientific method is what?

A

Cyclic.

28
Q

What does cyclic mean?

A

When steps need to be revisited at any time.

29
Q

Why may experiments need to be revisited?

A

If a hypothesis wasn’t supported or if new evidence has occurred.

Chemistry Class. (10 decks)

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