Sorting Materials into Groups

Sorting and Separation of Materials into Groups Worksheet-1

1. Which is the correct list of characteristics of metals?

(a) Shine brightly when polished; good conductors of electricity and heat; solid at room temperature; transparent

(b) Good conductors of electricity and heat; solid at room temperature; opaque, except in extremely thin films; do not shine at all when polished

(c) Bad conductors of electricity and heat; solid at room temperature; opaque, except in extremely thin films

(d) Shine brightly when polished; good conductors of electricity and heat; solid at room temperature; opaque except in extremely thin films.

2. Select the transparent substance from the following

(a) Wood           (b) Stone            (c) Mirror                   (d) Glass

Sorting and Separation of Materials into Groups Worksheet-2

1. If the components of a substance cannot be further separated by any physical method, implies that the substance is 

(a) Suspension                              (b) Pure

(c) Mixture                                    (d) Impure

2. Steel spoons used for cooking become hot easily. They are often given handles of 

(a) Copper         (b) Iron              (c) Wood            (d) Aluminum