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Triple Science GCSE > Biology AQA > Flashcards

Biology AQA Flashcards

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1
Q

Hypothesis:

A

Proposed explanation based on known knowledge and evidence

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2
Q

Representational model:

A

A simplified description or diagram to represent what is going on in real life

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3
Q

Computational model:

A

Computerised simulations of a complex real-life process

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4
Q

Name some limitations of models

A
  • It’s hard to account for every factor that may influence your representation
  • Variations between regions (especially for climate change models)
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5
Q

Regional variations:

A

Variations in environment between different regions- often effecting the results you get depending on the region you’re in

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6
Q

Economic issues that stop scientific developments:

A

Society can’t always afford to do the things which scientists suggest without it affecting the budgets in other (perhaps crucial) areas

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7
Q

Social issues that stop scientific developments:

A

When decisions based on scientific evidence affect people and their lifestyle

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8
Q

Personal issues that stop scientific developments:

A

When decisions based on scientific evidence might affect the lifestyle of specific people

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9
Q

Environmental issues that stop scientific developments:

A

Human activity and development normally affects the natural environment

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10
Q

Convert: mm to µm

A

x1000

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11
Q

Convert: µm to mm

A

÷1000

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12
Q

Convert: µm to nm

A

x1000

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13
Q

Convert: nm to µm

A

÷1000

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14
Q

Convert: m^3 to dm^3

A

x1000

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15
Q

Convert: dm^3 to m^3

A

÷1000

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16
Q

Convert: dm^3 to cm^3

A

x1000

17
Q

Convert: cm^3 to dm^3

A

÷1000

18
Q

uncertainty=

A

uncertainty = range ÷ 2

19
Q

Anomalous result:

A

Results that don’t show correlation to the majority of the other collected results- could be due to human error

20
Q

Name ways in which you can make an experiment more accurate

A
  • changing the way you controlled a variable
  • increasing the number of measurements taken
  • narrower intervals
21
Q

magnification =

A

magnification = image size ÷ real size

Triple Science GCSE (1 decks)

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