CBSE Class 7 - Science - Chapter: Heat (Worksheet) (#eduvictors)(#class7Science)

CBSE Class 7 - Science - Chapter: Heat (Worksheet)

Fill in the blanks with suitable words:

1. Heat is a form of __________.

2. When an iron rod is placed on a flame, the end touching the flame starts heating first. Slowly, this heat travels to the other end. This process of transfer of heat is called ________.

3. The heat transfer continues till both the bodies attain the ________ temperature.

4. Heat causes expansion. ___________ expand the least. ________ expand the most.

5. ________ is a measure of hotness or coldness of a body

6.  For scientific work, _________ temperature scale is used.

7. The materials which do not allow heat to pass through them easily are _______ conductors of heat.

8. Cooking utensils are made of _________ so that heat can easily get transferred.

9. In ___________, heat is transferred from the hotter part of the substance to the colder part by actual movement of hot particles in it.

10. At temperature ________ degrees, the readings on Celsius and Fahrenheit scale are the same. 

11. The monsoon is also a ___________ current set up due to difference in temperature between sea and land.

12. A _________ thermometer is used to measure body temperature.

13. The sun warms the earth through __________.

14. _______________ metal is used in the bulb of the thermometer.

15. The normal temperature of the human body is __________

Answer: 

1. energy

2. conduction

3. same or equal

4. Solids, Gases

5. Temperature

6. Kelvin

7. poor

8. metals

9. convection

10. -40

11. convection

12. clinical

13. radiation

14. Mercury

15. 98.6 °F or 37°C

👉See Also:

Ch 4 Heat (Q & A)
Ch 4 Heat (MCQs) 

Ch 5 Acids, Bases and Salts(Q & A)
Ch 5 Acids, Bases and Salts(MCQs)
Ch 5 Acids, Bases and Salts (Worksheet)