Science Quiz Lesson no. 11. Work and Energy

The energy which is stored in an object due to a specific state or position of that object is called ________ energy.

• Kinetic

• Potential

• Chemical

• Sound

Heat is measured in which unit?

(a)  

When wood burns sometimes we hear a crackling sound. The energy stored in wood is emitted in various forms through __________ action.

• Potential

• Kinetic

• Chemical

Select non renewable energy resources.

• Coal

• Petrol

• Sun

• Water

If we concentrate heat on a piece of paper and the paper burns. What type of energy it is?

• Potential energy

• Kinetic energy

• Chemical energy

• None of the above

If you turn on the mixer. Electrical energy is converted in which energies?

• Mechanical energy

• Kinetic energy

• Sound energy

• Potential energy

Give an example of conversion of wind energy into electricity

• Windmill

• Mixer

• Fan

Give an example of atomic energy

• Uranium

• Iron

• Pottasium permagnette

• Sodium chloride

Use of chemical energy in real life

• Store chemical energy to be changed into electricity

• Change chemical energy into water

• Change chemical energy into batteries

What means hydel power?

• Air converted into electricity

• Water converted into electricity

• Chemical energy converted into electricity

• Electricity converted into energies