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The Zimbabwe Secondary School Science Project (ZIM-SCI) developed student study guides, corresponding teaching guides, and science kits for a low-cost science course which could be taught during the first 2 years of secondary school without the aid of qualified teachers and conventional laboratories. This teaching guide, designed to be read in conjunction with the related student guides, includes instructional strategies, lists of required materials, laboratory procedures, and other information for two units dealing with various aspects of forces and of forces associated with living things. Major areas investigated in the two units include: forces and changes they cause; measurement of forces; machines; power; and energy converters (Unit H1) and three main forms of support in plants; three main skeletal types in animals; limbs in animals as machines (muscles exerting a force on bone which acts as a lever); and protective functions of various skeletal parts (Unit H2). Each section in this guide corresponds to given sections in the student guides. (JN)

The Zimbabwe Secondary School Science Project (ZIM-SCI) developed student study guides, corresponding teaching guides, and science kits for a low-cost science course which could be taught during the first 2 years of secondary school without the aid of qualified teachers and conventional laboratories. This teaching guide, designed to be read in conjunction with the related student guide, includes instructional strategies, lists of required materials, laboratory procedures, and other information for a two-part unit in which students investigate: (1) the role of food as a fuel; (2) three major food groups (fats, carbohydrates, and proteins); (3) the use of food as a fuel in living things; (4) characteristics and reactions of carbohydrates; (5) digestion; (6) breathing; and (7) photosynthesis. A discussion of how concepts are developed in the unit is provided. Each section in this guide corresponds to a given section in the student study guide. (JN)

The Zimbabwe Secondary School Science Project (ZIM-SCI) developed student study guides, corresponding teaching guides, and science kits for a low-cost science course which could be taught during the first 2 years of secondary school without the aid of qualified teachers and conventional laboratories. This ZIM-SCI study guide presents activities and experiments in a unit focusing on the principles of force, support, and action in living things. Major areas investigated include: purpose of skeletons in living things; three main forms of support in plants; three main types of skeletons in animals; the ways in which bones are adapted according to the medium in which an animal lives; and the method by which stability is maintained in four-legged animals (with reference to the center of mass). Other areas investigated include limbs as "animal machines" (muscles which exert a force on a bone which acts as a lever), muscle action, and the protective function of various parts of the skeleton. Information is provided throughout the unit to help students understand the scientific concepts behind the activities and experiments. (JN)

The Zimbabwe Secondary School Science Project (ZIM-SCI) developed student study guides, corresponding teaching guides, and science kits for a low-cost science course which could be taught during the first 2 years of secondary school without the aid of qualified teachers and conventional laboratories. This teaching guide, designed to be read in conjunction with the related student guide, includes instructional strategies, lists of required materials, laboratory procedures, and other information for a four-part unit in which students perform activities and experiments which trace the path of energy found in food. Areas investigated include: (1) food chains and webs (introducing producers, consumers, and decomposers); (2) organisms found in milk; (3) compost and fertilizers; (4) nature and identification of fats and proteins; (5) diets; (6) balanced meals; (7) energy measurement in joules; (8) digestive systems, focusing on the human system; and (9) anatomy and physiology of human teeth. A discussion of how concepts are developed in the unit is provided. Each section in this guide correponds to a given section in the student study guide. (JN)

The Zimbabwe Secondary School Science Project (ZIM-SCI) developed student study guides, corresponding teaching guides, and science kits for a low-cost science course which could be taught during the first 2 years of secondary school without the aid of qualified teachers and conventional laboratories. This ZIM-SCI study guide presents activities and short experiments for a four-part unit which traces the path of energy found in food. Areas investigated include: (1) food chains and food webs (introducing producers, consumers, and decomposers); (2) organisms found in milk; (3) compost and fertilizers; (4) nature and identification of fats and proteins; (5) diets; (6) balanced meals; (7) energy measurement in joules; (8) digestive systems, focusing on the human system; and (9) anatomy and physiology of human teeth. Information is provided throughout the unit to help students understand the scientific concepts behind the activities and experiments. (JN)

The Zimbabe Secondary School Science Project (ZIM-SCI) developed student study guides, corresponding teaching guides, and science kits for a low-cost science course which could be taught during the first 2 years of secondary school without the aid of qualified teachers and conventional laboratories. This ZIM-SCI study guide includes activities and experiments for a two-part unit in which students investigate: (1) the role of food as a fuel; (2) three major food groups (fats, carbohydrates, and proteins); (3) the use of food as a fuel in living things; (4) characteristics and reactions of carbohydrates; (5) digestion; (6) breathing; and (7) photosynthesis. Information is provided throughout the unit to help students understand the scientific concepts behind the activities and experiments. (JN)

The Zimbabwe Secondary School Science Project (ZIM-SCI) developed student study guides, corresponding teaching guides, and science kits for a low-cost science course which could be taught during the first 2 years of secondary school without the aid of qualified teachers and conventional laboratories. This teaching guide, designed to be read in conjunction with the related student guide, includes instructional strategies, lists of required materials, laboratory procedures, and other information for activities and experiments in a three-part unit focusing on: (1) plant and animal cells; (2) growth and reproduction; and (3) human reproduction. Experiments provided include examining plant and animal cells, preparing models of these cells, and dissecting a rat. Because students may come from traditional homes where various topics in this unit are not discussed (such as human reproduction and family planning), it is suggested that sections containing these topics may be read silently. Each section in this guide corresponds to a given section in the student study guide. (JN)

The Zimbabwe Secondary School Science Project (ZIM-SCI) developed student study guides, corresponding teaching guides, and science kits for a low-cost science course which could be taught during the first 2 years of secondary school without the aid of qualified teachers and conventional laboratories. This ZIM-SCI study guide is a three-part unit consisting of activities, experiments, and readings on: (1) plant and animal cells; (2) growth and reproduction; and (3) human reproduction. Experiments provided include examining plant and animal cells, preparing models of these cells, and dissecting a rat. Information is also provided throughout the unit to help students understand the scientific principles behind the activities and experiments. Because students may come from traditional homes where various topics in this unit are not discussed (such as human reproduction and family planning), it is suggested that sections containing these topics may be read silently. (JN)

The Zimbabwe Secondary School Science Project (ZIM-SCI) developed student study guides, corresponding teaching guides, and science kits for a low-cost science course which could be taught during the first 2 years of secondary school without the aid of qualified teachers and conventional laboratories. This teaching guide, designed to be read in conjunction with the related student guide, includes instructional strategies, lists of required materials, laboratory procedures, and other information for activities and experiments which focus on the characteristics and classification of living things. The study of these differences is used to introduce students to the need for classification. Simple classification exercises based on observed characteristics and activities which examine larger animal groups are included. Other activities include measuring living things, examining normal and random distributions of characteristics, making a collecting net, seeing if plants move, and planting trees. Each section in this guide corresponds to a given section in the student study guide. (JN)

The Zimbabwe Secondary School Science Project (ZIM-SCI) developed student study guides, corresponding teaching guides, and science kits for a low-cost science course which could be taught during the first 2 years of secondary school without the aid of qualified teachers and conventional laboratories. This ZIM-SCI study guide presents activities and experiments which focus on the characteristics and classification of living things. The major point considered is the number of differences which exist among plants and animals. The study of these differences is used to introduce students to the need for classification. Simple classification exercises based on observed characteristics and activities which involve examining larger animal and plant groupings are included. Other activities include measuring living things, examining normal and random distributions of characteristics, making a collecting net, seeing if plants move, and planting trees. Information to help students understand the scientific principles behind the activities and experiments is also provided. (JN)