SCIENCE 7 Test Topics : Structures + Forces Mr. Birt

SCIENCE 7 Test Topics : Structures + Forces Mr. Birt Vocabulary structure shear structural failure truss man-made tension magnitude roof truss natural torsion direction deck truss frame structure external forces point of application through truss solid structure load plane of box beam shell structure static load application I, L, T-beam centre of gravity dead load arch composite material base live load cantilever corrugated panel stable dynamic load gusset frame and panel force column, pillar strut laminated panel internal force structural stress suspension ribs and creases compression structural fatigue ties structural efficiency

SCIENCE 7 Test Topics : Structures + Forces Mr. Birt Vocabulary structure shear structural failure truss man-made tension magnitude roof truss natural torsion direction deck truss frame structure external forces point of application through truss solid structure load plane of box beam shell structure static load application I, L, T-beam centre of gravity dead load arch composite material base live load cantilever corrugated panel stable dynamic load gusset frame and panel force column, pillar strut laminated panel internal force structural stress suspension ribs and creases compression structural fatigue ties structural efficiency Topics 1. Types of structures – definition, examples, 3-point approach sheets 2. centre of gravity + stability – definitions, examples, cutouts, washer demo, block demo, handout, sports application, Bill Nye Balance video 3. internal forces – 4 types, definitions, diagrams, examples, Bill Nye Structures video 4. Labs: structural strength lab, stability lab 5. external forces – types, examples 6. unbalanced forces – 3 effects (structural stress, fatigue, failure), Tower of Pisa questions 7. characteristics of a force – magnitude, direction, point + plane of application, definitions, examples, Spaghetti Bridge lab 8. Strengthening structures - 10 design features and diagrams 9. Strengthening materials – 10 design features and diagrams 10. structural efficiency – formula, handouts and examples, graphing

Topics 1. Types of structures – definition, examples, 3-point approach sheets 2. centre of gravity + stability – definitions, examples, cutouts, washer demo, block demo, handout, sports application, Bill Nye Balance video 3. internal forces – 4 types, definitions, diagrams, examples, Bill Nye Structures video 4. Labs: structural strength lab, stability lab 5. external forces – types, examples 6. unbalanced forces – 3 effects (structural stress, fatigue, failure), Tower of Pisa questions 7. characteristics of a force – magnitude, direction, point + plane of application, definitions, examples, Spaghetti Bridge lab 8. Strengthening structures - 10 design features and diagrams 9. Strengthening materials – 10 design features and diagrams 10. structural efficiency – formula, handouts and examples, graphing