24 feasible experiments.
• Space
• Matter
• Bodies
• The three states of matter
• A property of bodies: impenetrability
• Other properties of bodies
• The meaning of the comparison between different bodies
• Qualitative and quantitative comparisons
• Measurable properties and physical magnitudes
• Measurement of a physical magnitudes
• The metric decimal system
• Length
• The linear rule: a calibrated tool
• Geometry
• The fundamental bodies of geometry and the real world
• Straight lines and curved lines
• The metric wheel
• The curvimeter
• Closed lines
• Plane figures, borderline and surface
• Perimeter of a flat figure
• Area of a flat figure
• Simple polygons
• Regular simple polygons
• Isoperimetric polygons and polygons having same area
• How to compare two polygons
• Rectangles and squares
• How to measure the area of an irregular polygon
• Volume of solid bodies
• Volume of liquid bodies
• Graduated cylinder
• Volume of an irregular solid