Metals are good examples of thermal conductors.
Important Questions on Heat
Cotton clothes are comfortable to wear in summers. Which feature of cotton explains why cotton is comfortable to wear in summers? Circle ‘Yes’ or ‘No’ for each row.
| Why cotton is comfortable to wear in summers? | Yes or No |
| Cotton has strong fibres. | Yes/No |
| Cotton is a natural fabric. | Yes/No |
| Cotton absorbs water and has pores. | Yes/No |
Neha conducted an experiment as shown in the diagram.
She placed a nickel coin on a piece of paper and heated them over a flame. After one minute, she observed that some parts of the paper was scorched as shown in the diagram here.
She repeated the experiment with a glass coin placed on the paper. Which of the following best represents the possible outcome of the experiment?
The three states of matter are solids, liquids and gases.
List the three states in order, so the best conductor is first, and the worst conductor is last.
Explain the following: Cotton clothes are comfortable in summer.
