At the end of the Lower Elementary cycle, students will have been exposed to (WBETs): Geometry Benchmark Basic Concepts - Congruence, similarity, equivalence Lines - Ray/line segment - Vertical/horizontal/oblique - Parallel/convergent/divergent - Intersecting – Oblique/Perpendicular Angles - Types/parts - Complementary/supplementary - Vertical/adjacent - Linear pair/alternate angles - Corresponding/co-interior, co-exterior - Measuring angles - Bisecting angles Measurement (metric and customary) - Length - Weight - Volume Geography Benchmark The Sun and Earth - Revolution, rotation, axis - Time zones - Solstices/ equinoxes/ seasons - Climatic zones - Latitude, longitude, equator, prime meridian - Study of the atmosphere Work of Water Rivers Erosion Water cycle Work of Air - Global winds - Sea breeze and land breeze - Wind and ocean currents - High and low pressure - Fronts - Erosion Astronomy - Solar system - Forces – centripetal/gravity Map Work - Continents/Countries/Capitals - USA states and capitals - Land and water forms Economic Geography - Interdependence - Taxes - Production and consumption - World trade Chemistry - Mixture/ solution - Suspension, crystallization, deposit, emulsion - Acid/base Plate tectonics - Layers of the Earth - Effects of continental drift - Sedimentary, metamorphic, igneous rock Area and Perimeter of Plane Figures - Rectangles, parallelograms, triangles, trapezoids Volume - Rectangular, triangular, rhombic and hexagonal prisms Study of the Circle - Nomenclature booklets - Calculating circumference - Calculating area Advanced Construction with ruler and compass - Angles, triangles, circles Theorems Pythagorean Euclidean 77