NEW Sequence of lessons for the third edition of Thinking Science During a dozen years of developing Thinking Science in North Yorkshire, teachers demanded a more flexible approach to using the lessons. After trials and consultation the following advice was provided for schools. Inappropriate or difficult lessons to resource (The numbers corresponding to the activities in the second edition are in brackets) The Lessons 1 What varies? 2 Two variables 3 What sort of relationship? 4 The 'fair' test 5 Roller ball 6 Making, groups 7 More classifying: birds 8 Gears and scaling 9 The wheelbarrow 10 Trunks and twigs 11 The balance beam 12 Current, length and thickness 13 Bean growth 1 14 Bean growth 2 15 Multiple choices 16 Interaction 17 Spinning coins 18 Tea tasting 19 The behaviour of woodlice 20 Treatments and effects 21 Sampling: fish in a pond 22 Throwing dice 23 Explaining states of matter 24 Explaining solutions 25 Explaining chemical reactions 26 Pressure 27 Floating and sinking 28 Up hill and down dale 29 Divers 30 Equilibrium in the balance Short Name Relationships Carousel Springs 'n' Oil Tubes Roller Ball Groups More Groups Wheelbarrow Twigs Balance Beam Wires Beans Tea Tasting Carrots Fish Pond States of Matter Solutions Chemical Reactions Rods 'n' Sand Float or Sink Cars on 2 hills Schema Variables Variables Variables Variables Variables Classification Classification Proportionality/ratios Proportionality Inverse proportions Inverse proportions Inverse proportions Probability Probability Combinations Variables Probability Probability Correlation Correlation Probability Probability Formal models Formal models Formal models Compound variables Compound variables Equilibrium Compound variables Equilibrium NB activity number 12 from the second edition has been deleted from the third edition. Old (1) (2) (4) (3) (5) (21) (22) (6 & 7) (8) (9) (10) (11) (7a) (7b) (14) (16) (13) (15) (17) (18) (19) (20) (23) (24) (25) (26) (27) (28) (30) (29) The new lesson sequence and the implications for teaching Year 7 - 1 to 5 in a starter fortnightly sequence. 1 Relationships 2 Carousel 3 Springs 'n' Oil 4 Tubes 5 Roller Ball 6 Groups 7 More Groups 9 10 11 12 13 18 20 21 Strands Biology - Sampling and probability 13 Beans 18 Tea Tasting 21 Fish Pond Chemistry - Formal models 23 States of Matter 24 Solutions 25 Chemical Reaction Physics - Compound variables 26 Rods 'n' Sand 27 Float or Sink - Compensation and equilibrium 11 Balance Beam 12 Wires 28 Cars on 2 Hills Year 8 Wheelbarrow Twigs Balance Beam Wires Beans Tea Tasting Carrots Fish Pond 23 24 25 26 27 28 Year 9 States of Matter Solutions Chemical Reactions Rods 'n' Sand Float or Sink Cars on 2 Hills