Question

Waler low on the surface of ocean?
1. What are insulators! Give their some examples.
2: How are good conductors of heat useful to us?
3. How are convection currents developed inside the earth? What do they resu
4. Give some examples from everyday life where principle of convection curre
5. What are the factors that affect the absorbance of heat by an object?
6. Give at least five applications of poor conductors of heat in everyday life.
7. What is the significance of land and sea breezes?
8. Why do metallic pans used for cooking have plastic or wooden handles?
9. Why can heat from the sun not reach us by conduction or convection?
1 Long Answer Type Questions
1. How is heat transferred by convection? Explain with the help of a diag
2. How are sea and land breezes formed?
3. What is radiation? How does it affect an object?
4. How would you relate choice of colours to the radiation in day-to-da​

Answer 1

Answers of these questions are given in book. so try yourself to do this.

Answer 2

Answer:

1. Insulators are bad conductors ( do not conduct them) of magnets or heat, electricity etc,.