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How science works - the practical assessments

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edexcel
AQA
OCR
PPTE presentations
More resources

On this page I'll describe the gcse science practicals, sometimes known as ISAs or IAAs.

Edexcel

Here are some exam-style practice papers with marking schemes.

B1a1 Q | B1a1 MS
B1a2 Q | B1a2 MS
B1b3 Q | B1b3 MS
B1b4 Q | B1b4 MS
C1a5 Q | C1a5 MS
C1a6 Q | C1a6 MS
C1b7 Q | C1b7 MS
C1b8 Q | C1b8 MS
P1a9 Q | P1a9 MS
P1a10 Q | P1a10 MS
P1b11 Q | P1b11 MS
P1b12 Q | P1b12 MS

IAA/360 practical guide.doc - brief guide to marking.

FAQ about IAAs - a collection of questions that teachers ask about the IAAs - interesting reading.

AQA

Biology ISA - Fieldwork Investigation
Biology Marking Guidelines - Fieldwork Investigation

Biology ISA - Reaction Times
Biology Marking Guidelines - Reaction Times

Chemistry - Viscosity of Oils
Chemistry Marking Guidelines - Viscosity of Oils

Chemistry - Unsaturation of Oils
Chemistry Marking Guidelines - Unsaturation of Oils

Physics ISA - Thermal Insulation
Physics Marking Guidelines - Thermal Insulation

Physics ISA - Wind Turbines
Physics Marking Guidelines - Wind Turbines

OCR

About how science work - powerpoint presentations

If you don't have powerpoint installed, you can get a free viewer from the Microsoft website

Use the right and left arrow keys to navigate through each presentation.

How Science Works - the basic ideas.ppt
How Science Works - the thinking behind the doing.ppt
How Science Works - designing an investigation.ppt
How Science Works - making observations.ppt
How Science Works - making measurements.ppt

How Science Works - details - Reliability & Validity.ppt
How Science Works - details - Taking measurements.ppt
How Science Works - details - Types of Variable.ppt
How Science Works - details - more about Variables.ppt
How Science Works - details - Errors.ppt
How Science Works - details - Graphs.ppt

How Science Works - presenting data.ppt
How Science Works - using data to draw conclusions.ppt

How Science Works - limitations of scientific evidence.ppt
How Science Works - social issues.ppt

More about how science works

Useful summary of terms

Another summary of How Science Works