Lab Safety & Data Flashcards

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1
Q

What is some lab saftey

A

Wear Goggles
Hair is pushed back
Protective gloves
Proper clothes
Closed in shoes

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2
Q

What are some saftey features of a lab?

A

Exits
Emergency shut off buttons
Fire blanket
Fire extinguisher
Eye wash station
Broken glass

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3
Q

What is data?

A

Data refers to ‘known facts, or pieces of information collected together for reference or analysis. There are 4 types of data

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4
Q

what is Quantitative Data?

A

Quantitative –quantity (amount or number) of something. Eg. Height (cm), shoe size (mins), temperature of a day (∙C)

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5
Q

What is Qualitative Data?

A

Qualitative –quality (standard) of something. Eg. colours, names of things (rock names, animals, plants), types of words in a sentence.

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6
Q

What is Primary Data?

A

Primary Data
- Data that you or your group collect using your own experiments

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7
Q

What is Secondary Data?

A

Secondary Data
- Data that comes form the work of other people.
Eg information you find on the internet, textbooks, etc

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8
Q

Mistakes

A

Can be avoided

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9
Q

Errors

A

Are unavoidable

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10
Q

Parallax errors

A

when the scale is not viewed at 90 degrees

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11
Q

Reading errors

A

when the measurement falls between 2 markings on a scale and you have to estimate the answer.

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12
Q

Instrument errors

A

if the instrument you are using does not measure correctly

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13
Q

Zero errors

A

When scales don’t read zero before you start, making any measurement you take after that inaccurate.

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14
Q

Variables

A

Variables are factors you need to control when designing and conducting an experiment.

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15
Q

Independant Variable

A

Variable you change

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16
Q

Dependant variable

A

The variable you MEASURE for the experiment.

17
Q

Controlled Variables

A

Kept the same to ensre it is a FAIR TEST

18
Q
A