Verification Test Flashcards

1
Q

What is data

A

Data is a term meaning all measurements or observations to describe something

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2
Q

What are the two types of data

A

Quantitative ative and Qualitative data

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3
Q

What is Quantitative data

A

It’s measurements that are written as numbers with units attached

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4
Q

What is qualitative data

A

It’s is data that can only be described in words

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5
Q

What is primary data

A

Primary data is that you or your team finds out by running your own experiments

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6
Q

What is secondary data

A

Secondary data is data which is the work of others people

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7
Q

What are mistakes

A

Are things that can be avoided if we take more care

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8
Q

How can mistakes occur

A

When u spill a material, read the method incorrectly, use the wrong equipment,

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9
Q

What are errors

A

Are not mistakes, they are small and unavoidable changes that occur naturally in measurements.

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10
Q

How do errors occur

A

They will happen no matter how careful you are

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11
Q

Typesof errors

A

Parallax error, reading errors, instrument errors and human reflex, zero errors

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12
Q

Parallax error

A

Your eye can’t be over the measurement you have to be directly parallel tot he measure the to read correctly

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13
Q

Reading error

A

U might have to estimate a measurement if it has no exact markings

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14
Q

Instrument errors

A

Maybe a piece of equipment is faulty and won’t give the right reading

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15
Q

Human reflex

A

Stopwatch is more accurate than use so no one will have the same reading and may differ in people

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16
Q

Zero error

A

When the instrument doesn’t start on zero so everything will be a little bit out

17
Q

How to improve primary data

A

Repeat measurements,

18
Q

How can u improve secondary data

A

Checking how old it’s it
Where did it come from
What is the URL
Compare to other data u have found

19
Q

Bibliography order

A

Author
Title
Year or date of publication
Place

20
Q

Practical report features

A
Heading
Purpose
Hypothesis
Material
Procedure 
Results
21
Q

Heading

A

List name and date of the investigation and your partners

22
Q

Purpose

A

You describe briefly what you were trying to do

23
Q

Hypothesis

A

An educated guess about what might happen in the investigation and what Igor be found out, give some scientific knowledge why you think that

24
Q

Materials

A

Everything you will use in the investigation

25
Q

Procedure

A

Description of everything you did in the investigation

26
Q

Results

A

List and measure meant of the investigation, all in a graph

27
Q

Types of graphs

A

Pie, bar, line

28
Q

What are variables

A

Factors that might have some influence on an experiment

29
Q

Independent variable

A

The one thing in the experiment you are going to change

30
Q

Dependent variable

A

What you are trying to test and about to measure is known as the dependent variable

31
Q

Controlled variables

A

The other variables need to be changed to make the experiment a fair test