Question

Say True or False:

1. Light does not require any medium to travel.

2. Mechanical energy can be used for pumping water.

3. Heat energy is used to run vehicles.

4. Heat is measured in Joule.

5. Water stored in water dams possesses kinetic energy.

6. Photosynthesis changes solar energy into chemical energy.

7. Wind mills convert kinetic energy of winds into electrical energy.

Answer 1

1. True
2. False
3. True
4. True 
5. False
6. True
7. True