CLASS 7 Chapter 4 Heat

Short answer type questions

 

Question 1. What is temperature?

Question 2. What does a thermometer use for?

Question 3. Why do we use a clinical thermometer?

Question 4. What is the normal temperature of the human body?

Question 5. How does heat flow from one body to another?

Question 6. Define the term convection.

Question 7.  What kind of clothes do we wear during summer?

Question 8. What are insulators?

Question 9. How woollen clothes keep us warm during winter?

Question 10. What do you mean by the term radiation?

Question 11. Why it is advisable to use an umbrella when we go out in sun?

Long answer type questions

 

Question 1. What type of precaution should we take while reading a clinical and laboratory thermometer?

Question 2. How will you verify that heat flows from a hotter object to a colder object? Explain with an example.

Question 3. How do measure the temperature of the water using a laboratory thermometer?

Question 4. What are insulators and conductors? Give two examples of each.

Question 5.  What are sea breeze and land breeze?