Question

4. Metal, wood, cardboard, cement
5. Gold, silver, aluminium
TER
Answer the following questions in brief:
1. Give examples of two objects which are transparent
2. Why do houses generally have cement floors?
3. Define 'soluble' and 'insoluble substances
4. What will happen if you drop a piece of chalk and a sponge into a glass of
-5 Which materials would you prefer to use for furniture and why?
6. Classify materials on the basis of electrical conductivity
Answer the following questions in detail :
1. What kinds of things do we see around us?
2. Mention the common properties on the basis of which objects can be grouped
3. Define transparent, translucent and opaque
4. Why do some objects sink to the bottom of a half-filled beaker while others​

Answer 1

Answer:

clear glass and clean water

Answer 2

Answer:

In brief,

3. The sustance which can be dissolve in water is called substance.e.g sugar is soluble substance.

Likewise the substance which cannot be dissolve in water is called insoluble s... e.g sand is insoluble substance....