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Hair Studies

This booklet from the Griffin Technical Studies series looks at the biological structure and chemical properties of hair and includes a number of practical experiments to see what changes hair can undergo. It investigates what hair is made of, blood circulation and conditions affecting the hair. It also provides...

Human Chemistry

This booklet provides practical activities linked to health care. Chemistry techniques include tests for carbon, hydrogen, sulphur, nitrogen, iron and flame tests for other elements.

The experiments are:
1. Testing for carbon and hydrogen
2. Testing for sulphur and nitrogen
3. Flame colours...

The Human Machine

This booklet provides a number of practical experiments investigating tissues, organs and organ systems, including how the mind controls the body, psychology and ergonomics.

Curriculum links include, respiratory system, circulatory system, behaviour, nervous system.

The experiments are:
1....

Lapidary

This booklet investigates gemstones, what they are, how to identify them and their types. The resource describes how to apply Moh's scale of hardness and looks at specific gravity testing, blowpipe and bead tests. It then lists and describes a large number of semi-precious stones, including their hardness scores...

Microscopy

This booklet looks at the importance of magnification to scientific study. It explains how a microscope works, how to construct a simple microtome (used to view fibres) and how each of these are used. A set of 15 experiments then leads students to explore fibres, different types of hair and a variety of other...

Photography

This booklet introduces students to photography techniques. It includes the chemistry involved in processing negatives and films.

Contents:
PART ONE
*Production of the negative
*Loading the film
*Exposing the film
*Unloading the film
*The Developing...

Plant Hormones

This booklet contains a large number of practical experiments exploring plant hormones. These experiments cover the way the hormones work and the effects they have on the plants' growth and development. Curriculum links include auxins, phototropism, geotropism, plant regulators, gibberellins, kinins and growth...

Polymer Science

This booklet contains practical experiments exploring plastics and polymerisation. The text starts with an introduction which explains the types of polymerisation (addition and condensation) and plastics (thermoplastic and thermosetting) and their molecular compositions. It also looks at the effects of heat on weak...

Weather

This booklet describes the difference between climate and weather and provides experiments which look at what weather is, and why, how to observe it and how to apply these observations.

Contents:
Part 1: lntroduction

Part 2: Practicals
Observations of the...

Colour in Nature

This booklet provides practical activities which investigate light, sight and colour. The ideas of energy in the form of light waves radiating from a source, direct and reflected or 'scattered' light, the ways in which the light received causes the sensation of sight, and interpretations of colour by different...

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