Term -1 Class:4 Science 3. Work and Energy - clickhere

clickhere

Term -1 Class:4 Science 3. Work and Energy

Understand the Question and choose the Correct answers:
Prepared & Supported by www.thodakkakalvi.com TEAM

  

10 நிமிடத்திற்குள் கவனமாகவும் , விரைவாகவும் விளையாட்டை முடிக்க.
உங்கள் முயற்சிக்கு வாழ்த்துகள்.

 

1. Which among the following is renewable resource?
   1.   All the above
   2.   Sun
   3.   Air
   4.   Water
2. Natural gas is an example for ______________ resource.
   1.   Both
   2.   Renewable
   3.   Non renewable
   4.   None
3. Which among the followingis not the unit of energy?
   1.   Fahrenheit
   2.   Joule
   3.   Calorie
   4.   None
4. Energy must be _____________ to an object in order to do work.
   1.   Transferred
   2.   Need not transferred
   3.   a & b
   4.   None of the above
5. Which of the following is the application of Law of Conservation.
   1.   All the above
   2.   Conversion of mechanical energy into electrical energy
   3.   Conversion of thermal energy into electrical energy
   4.   Conversion of chemical energy into electrical energy
6. Moving of escalator is working based on _______________
   1.   b & c
   2.   Renewable energy source
   3.   Electrical energy
   4.   Mechanical energy
7. Coal is __________________
   1.   Non renewable energy source
   2.   Electrical energy
   3.   Mechanical energy
   4.   Renewable energy source
8. Atomic energy is converted into thermal energy in _______________
   1.   Nuclear power station
   2.   Thermal power station
   3.   a & b
   4.   None
9. Sun is ___________________
   1.   Renewable energy source
   2.   Non renewable energy source
   3.   Mechanical energy
   4.   Electrical energy
10. Pulling stone _________________
    1.   Mechanical energy
    2.   Non renewable energy source
    3.   Electrical energy
    4.   Renewable energy source