Collect different objects from your surroundings and see if they roll or slide.
Objects that Roll: Round objects like balls, marbles, oranges, wheels, and cylindrical containers (when placed on curved side) will roll.
Objects that Slide: Flat objects like books, notebooks, boxes, mobile phones, and rectangular containers will slide.
Objects that Both Roll and Slide: Objects like coins and cylindrical containers can both roll (when on edge/curved side) and slide (when flat).
Conclusion: The shape determines the movement - curved surfaces roll, flat surfaces slide.
Explanation
This activity helps children understand the relationship between shape and movement through direct observation. Children should collect various objects and test them on a flat surface. They will observe that objects with curved or round surfaces roll because they can rotate continuously. Objects with flat surfaces slide because they cannot rotate easily. Teachers should encourage children to discuss which features help objects roll or slide.
Solution Steps
Collect different objects from your surroundings.
Test each object on a flat surface to observe if it rolls or slides.
Round objects (balls, marbles, oranges, wheels) will roll due to curved surfaces.
Flat objects (books, notebooks, boxes, mobile phones) will slide due to flat surfaces.
Some objects like coins and cylindrical containers can both roll and slide depending on their orientation.
Conclude that shape determines movement: curved surfaces roll, flat surfaces slide.