Question Text
Question 1 :
Choose the correct option.<br>A solar cooker converts solar energy into heat energy.
Question 2 :
choose the correct answer.<br>Which of the following make our work easier?
Question 3 :
Choose the correct option.<br>Work is done whenever a force does not move an object.
Question 4 :
choose the correct option.<br>The energy we get from moving water is called
Question 5 :
choose the correct answer.<br>Which of the following energy is used to run fans?
Question 6 :
choose the correct option.<br>An electric calling bell converts electrical energy to ________ energy.
Question 8 :
Choose the correct option.<br>The Earth’s gravity pulls objects downwards towards its centre.
Question 9 :
Choose the correct option.<br>Work is not done when an object is moved.
Question 10 :
choose the correct option.<br>Which of the following is not considered as work?
Question 11 :
choose the correct answer.<br>Which of the following is not a machine?
Question 15 :
choose the correct option.<br>Which of the following does not need electric energy to work?
Question 16 :
choose the correct option.<br>The energy we get from moving water is called
Question 18 :
choose the correct option.<br>Which of the following does not need electric energy to work?
