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Aqa Additional Applied Science Exam Papers

Date of publication: 2017-08-31 00:06

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Aqa Additional Applied Science Unit 1f

The second test is even easier. Rub the food sample on filter paper and then hold the filter paper up to the light. If the paper is translucent (slightly see-through) there was fat present in the food. Don't try this with watery foods - the water will make the paper translucent and you'll get a false positive.

Revision activites for Additional Applied Science (AQA) by

The first involves grinding up the food and mixing it with water. Pass the liquid part of the solution through filter paper, squeezing out any 'gunge' - thick bits of the suspension into the same test tube. You should now have a slightly opaque liquid mixture in your test tube. Because fat is less dense than water, if you leave this mixture it will separate out into a layer of fat and a layer of water.

AQA | Science | GCSE | Additional Applied Science

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When combined with GCSE Science A or B it can form the Science component of the English Baccalaureate if students achieve A* to C grades in both GCSEs.

This specification allows subject specialists to teach the appropriate units focussing on their area of expertise, or it can be taught by an integrated Science teacher.

This qualification is a course which meets the needs of learners who wish to develop their scientific understanding through authentic, work-related contexts. The course focuses on procedural and technical knowledge that underpins the work, and gives learners an insight into what is involved in being a practitioner of science.

GCSE Additional Science offers students a broad, coherent course of study that adds to their knowledge and understanding of the living, material and physical worlds. For Key Stage 9 (KS9) learners it is a good follow on from GCSE Science A or B.

The third method involves adding ethanol to a very small amount of the test substance. Shake or crush the food to make it dissolve. Filter or dilute the food and ethanol mix so that you get a clear liquid (a solution of fat in ethanol). Add this to a test tube of water. A white (milk-like) emulsion indicates the presence of fats or oils.

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The three core Sciences of Biology, Chemistry and Physics are taught separately using Unit 7 modules from the individual subject GCSEs. This allows for co-teaching with the relevant Science GCSEs.

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