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25 Cards in this Set

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Average

Mean; add up all the good values and divide by how many there are.

Data

Measurements and observations about something

Errors

Small changes that cannot be avoided in with care.

First hand data

data you collect yourself from an experiment.

Instrument error

Error due to a faulty instrument or using it at a temperature it is not designed for

Mean

Same as average

Mistakes

Can be avoided with care; mistakes are not errors

Parallax error

Error caused by not having your eye directly in line with the measurement

Qualitative data

Observations that are descriptive only.

Quantitative data

Measurements that use numbers.

Reading error

error due to guess work needed when a measurement falls between an instruments markings

Second hand data

Date you have not found through an experiment; comes from textbooks, encyclopedias, internet etc.

Tare

Changing the zero on an electronic balance

Zero error

Error due to instrument giving a small reading when it should read zero.

Bibliography

Resources list

domain

last part of a website address or URL

Imprint page

Includes all relavant data about a book such as publisher, year of publication

URL

Website address

aim

purpose, what you are trying to do in an experient

conclusion

a short summary of what you found out in an experiment

extrapolation

Logical extension of a line graph

Hypothesis

An educated guess about what might happen in an experiment

Line or curve of best fit

straight line or curve drawn through the center of points on a graph

method

A description of what you did in an experiment

Purpose

Aim; What you are trying to do in an experiment