Science 1st Qtr Keyterms Flashcards

1
Q

Observation . The action or process of what in order to gain what ? ( hint : use 5 senses to what ? a noting and recording of what ?)

A

The action or process of observing something or someone carefully or in order to gain information . Use one or more of the 5 senses to gather information . (A noting and recording of facts )

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2
Q

Research . What type of investigation into? What type of study ? in order to establish ?

A

The systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions .

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3
Q

Theory . A set of what ?

A

Set of hypothesis that have been supported by testing over and over again .

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4
Q

Hypothesis . Suggested ____to a ___ or ___.

A

suggested answer to a question or problem .

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5
Q

Experiment . A scientific procedure undertaken to ? ( hint : make something , test something , or demonstrate something . )

A

A scientific procedure undertaken to make a discovery , test a hypothesis, or demonstrate a known fact .

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6
Q

Conclusion (the ___ or finish of an ___ or ___)

A

The end or finish of an event or process .

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7
Q

Results . An item of ? obtained by ? or ?

A

an item of information obtained by experiment or some other scientific method .

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8
Q

Data . Information you ___ when you ___ something.

A

Information you collect when you observe something .

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9
Q

Variable. Anything that can ___ the out__ of an ____ .

A

Anything that can affect the outcome of an experiment .

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10
Q

Independent Variable . A variable that ? Changed by who ? A good experiment has how many independent variables ?

A

A variable that is changed by scientist (a good experiment only has 1 independent variable ) .

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11
Q

Dependent Variable . Who focuses on the dependent variable? why do they focus on it ? (hint : usually observed or measured.)

A

The scientists focus on the dependent variable to see how it responds to the changes made to the independent variable ( usually observed or measured ) .

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12
Q

Control Group . A group in an experiment or study that does not ? By who ? Used as a what ? to measure what ?

A

The group in an experiment or study that does not revieve treatment by the researchers and is then used as a benchmark to measure how the other tested subjects do .

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13
Q

Experimental Group . The group in an experiment that ? How many variables tested at a time ?

A

The group in an experiment that receives the variable being tested . One variable is tested at a time .

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14
Q

Trials . __of a number of _____of an ____.

A

One of a number of repetitions of an experiment.

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15
Q

Constants / Controlled Variable . Does not change what ? Scientist want it to ? like the dependent variable it is observed and ____.

A

Does not change its value whatsoever the value of the variable the scientists want to remain the same . Also observed and measured carefully like the dependent variable .

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16
Q

Placebo . What type of substance ? Given to who? Serves as a what in an experiment ?

A

An inactive substance given to a patient as if it were active to serve as a control in an experiment .

17
Q

Double-Blind . In this type of experiment neither the ___ or ____ knows which group is the _____

A

In this type of experiment neither the experimenter or subject knows which group is the control group .

18
Q

Inferences . Logical ________ based upon prior ______ and _____ . Based upon _____.

A

Logical interpretation based upon prior knowledge and experience . Based upon observations .

19
Q

Differnce between Inference and Observation? Which do yoh note down in experiments observations or inferences ? An inference may be used when writing what ?

A

note down observations in an experiment but not inferences . An inference may be used when writing the conclusion in your lab reports .

20
Q

Unit

A

amount used to measure something

21
Q

Meter

A

Basic unit of length or distance

22
Q

Mass

A

amount of matter in something

23
Q

Mass

A

amount of matter in something

24
Q

gram

A

Basic unit of mass

25
Q

volume

A

amount of space an object takes up

26
Q

liter

A

basic unit of liquid volume

27
Q

temperature

A

measure of the amount of heat energy something contains .