Theme 3: Chemicals

This is one of twelve student books from the Science in Process series and covers areas of biology, physics and chemistry related to the theme of chemicals. The resource aims to allow students to develop their scientific enquiry skills using this broad theme as a basis for a variety of student-led activities. The skills include observing, recording, presenting, inferring, hypothesising and predicting.

The fifteen double page spreads are presented alphabetically and were designed to be used in any order, either forming the basis of an entire course or to enrich an existing course. Although this student book was written for students aged 11 to 13, the level of demand and curriculum content of most of the activities would be suitable for Key Stage Two students or lower ability Key Stage Three students. The ‘cut out’ sheets referred to can be found in the Teacher's Resource Pack.

This theme has the following curriculum links:
1. Chemicals from bees – types of honey
2. Chemicals in our food – food additives, E-numbers
3. Dissolving chemicals – insoluble substances, solutions, saturated solutions
4. Distilling salty water – distillation, evaporation
5. Dyes – fabric dye
6. Green dye from leaves – chlorophyll, chromatography
7. Heating materials – chemical and physical changes
8. Indicators – red cabbage indicator, litmus, universal indicator
9. Investigating chemical change – observing chemical reactions, precipitates
10. A mystery illness – toxic waste, ecosystem, food chains
11. Pesticides – DDT, accumulation in food chains
12. Salt – salt mining, rock salt, evaporation
13. Separating chemicals – filtering, evaporating, mixtures
14. Stomach acid – acids, alkalis, neutralisation, indicators, pH
15. Using chemicals safely – Hazard warning labels, laboratory safety

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