Sorting Materials into Groups - Questions

Q41. Why do we need to classify things around us?

 

Q42. Differentiate between transparent, translucent and opaque.

 

Transparent

Translucent

Opaque

 

 

 

 

 

 

 

 

 

 

 

Q43. Write properties of materials.

 

Q44. Why don’t we use paper or cloth for making tumbler?

 

Q45. Write the similarities between gold, silver and copper.

 

Q46. Name some materials made up of paper.

 

Q47. Write the materials the following objects made of.

Object

Material they are made of

pencil

 

chair

 

Bed

 

knife

 

 

Q48. Write the things made of following materials.

Material

Things

wood

 

leather

 

Plastic

 

cotton

 

iron

 

 

Q49. How grouping of items help the shopkeeper?

 

Q50. With help of an experiment prove that water is transparent.

 

Q51. Write an experiment to show that sugar and salt is soluble in water whereas solid like sand and chalk are insoluble in water.

 


Last modified: Saturday, 20 October 2018, 10:25 AM