Theme 9: Liquids

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This is one of twelve student books from Science in Process and covers areas of biology, physics and chemistry related to the theme of liquids. 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, interpreting graphs, 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. Crude oil – refinery, world crude oil production (in 1988)
2. Frothy liquids – action of detergents, oil slick dispersal
3. Grouping liquids – pure liquids, aqueous solutions, classifying liquids
4. Life blood – composition of blood, effect of high altitude on blood composition
5. Liquid gases – liquid nitrogen, gas cylinders, condensation
6. Liquid levels in glass tubes – the effect of temperature on the volume of different liquids
7. Liquid or solid? – classifying solids and liquids
8. Microbes in water – Doctor Snow, cholera, colony counts
9. Mixing liquids – emulsions
10. Purifying water – water supplies, purification
11. Snail fever – contaminated water, water borne disease
12. Spreading and climbing liquids – absorbency
13. Temperatures and liquid metals – melting point, methods of heating
14. Thick and thin liquids – viscosity, motor oil
15. Turning solids into liquids – investigating changes of state

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