Mystery Box!

Date: 21st January 2011

Activity: Each group is given a sealed box with a mystery object inside. They have to identify the characteristics of the object (or the object itself) based on their observations.

Observations
- Makes a thud sound against the box when shaken
          Inference: It is a hard object.

- When the box is tilted slightly, the object rolls easily.
          Inference: The object has a round side.

- When the box is shaken, 2 ends of the object make a small thud against the sides of the box.
          Inference: The 2 ends of the object have a small surface area.
          Inference: The object is cylindrical in shape.

Part 2: Swapping of Boxes with another group!
Observations & Inferences
- The object is attracted to the magnet very strongly
          Inference: The object has magnetic properties.

- When shaken, the object makes regular thudding sounds against the sides of the box.
          Inference: The object is hard and has flat surfaces.

- The object feels as light as a pen.