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4年级小学科学练习册Workbook 4
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目录：
Theme 1 Uariety and Classification
Actiuityl What do living things do? Actiuity2 What do plants need to grow? Actiuity3 Using your senses Actiuity4 How good are your senses? Actiuily5 Are we the same? Actiuity6 Putting plants into groups Actiuily7 Putting animals into groups Actiuity8 Materials around us Actiuity9 What materials are used? Actiuity10 Looking at the properties of materials Theme 2 Energy and Forces Actiuity1 Energy Acliuity2 How does energy change? Acliuity3 Hot or cold? Actiuity4 Measuring temperature Acliuity5 Measuring body temperature Acliuity6 Cooling water Acliuily7 Does heat flow through a solid? Theme 3 Cycles Actiuity1 Make a cycle! AcUuily2 They are not seeds! Actiuity3 Freezing and melting Acliuity4 Boiling water Actiuity5 What happens when water vapour cools? Actiuity6 Do plants lose water? Acliuity7 The water cycle Actiuity8 Dissolving solids in water Actiuity9 How much will dissolve? Theme 4 Personal Health and the Enuironment Actiuity1 Healthy habits Actiuity2 Care of the sense organs AcUuity3 Do I have healthy habits? Actiuity4 Different kinds of food Actiuity5 Food for thought Actiuity6 We are what we eat Actiuity7 My teeth Actiuity8 Where is the plaque? Theme 5 Systems Actiuity1 Human body systems Actiuity2 Inside my body AcUuity3 Is your heart beating? Actiuity4 The air that we breathe Actiuity5 Making a skeleton Actiuity6 Making an arm model Actiuity7 Squeezing the hands
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