Make your own 'Who am I?'
Sample 'Who am I?' riddles based on chapter concepts:
(1) I allow light to pass through me completely, and you can see things clearly through me. Who am I? (Answer: Transparent material like glass).
(2) I am a material that does not dissolve in water even after stirring for a long time. Sand and sawdust are examples of me. Who am I? (Answer: Insoluble material).
(3) I am the quantity of matter present in an object, and I am measured in grams or kilograms. Who am I? (Answer: Mass).
(4) I am the space occupied by matter, and I am measured in litres or millilitres. Who am I? (Answer: Volume).
This creative activity encourages students to apply their understanding of material properties by creating their own riddles. Students should use properties like transparency, solubility, hardness, lustre, mass, and volume as described throughout the chapter.
Explanation
This creative activity encourages students to apply their understanding of material properties by creating their own riddles. Students should use properties like transparency, solubility, hardness, lustre, mass, and volume as described throughout the chapter.
Solution Steps
Riddle 1 identifies a transparent material that allows light to pass through completely.
Riddle 2 identifies an insoluble material that does not dissolve in water, such as sand or sawdust.
Riddle 3 defines mass as the quantity of matter measured in grams or kilograms.
Riddle 4 defines volume as the space occupied by matter, measured in litres or millilitres.
The activity reinforces the application of material properties like transparency, solubility, hardness, lustre, mass, and volume.