Learning Objectives
- Understand that objects are made from a variety of materials such as paper, wood, cloth, glass, metal, plastic, and clay.
- Classify materials based on common properties like shape, color, hardness, softness, shine, dullness, and the materials they are made up of.
- Explore the properties of materials including lustre, hardness, softness, transparency, translucency, opacity, solubility in water, and mass.
- Understand which materials dissolve in water and which do not, using examples like sugar, salt, chalk powder, sand, and sawdust.
- Learn that mass quantifies the amount of matter and volume is the space occupied by matter, with units like grams, kilograms, liters, and milliliters.
- Define matter as anything that occupies space and has mass.
- Explore the 20 properties (guna-ten pairs of opposite properties) used in Ayurveda to describe physical matter.