SCIENCE P5 QUIZ (PART 1)

Which statement is not true about energy?

• Energy can change from one form to another

• Energy can be created

• Energy cannot be destroyed

Chemical potential energy ➡️ Kinetic energy ➡️ Sound energy.

What kind of the example of the energy conversion is above?

• Battery-operated toy car

• Paper aeroplane

• Musical instrument

What is the energy conversion that takes place in electric fan?

• Electrical energy ➡️ Kinetic energy + Heat energy

• Electrical energy ➡️ Light energy + Heat energy

• Electrical Energy ➡️ Sound energy + Kinetic energy

If you turn on a torch towards to the mirror, the light will ....

• Refract

• Reflect

• Disperse

These are the sources of light, except ....

• Window and mirror

• Sun and fire

• Torch and candle

The bending of light as it travels from one medium to another is known as ....

• Dispersion

• Reflection

• Refraction

If you stand under the sun then your skin will be hotter, what transfer of heat is it?

• Radiation

• Conduction

• Convection

Convection is the transfer of heat from one region to another by movement of ....

• Objects

• Fluid

• Metals

If you put the spoon above the candle, then the spoon will be hot. What transfer of heat is it?

• Conduction

• Convection

• Radiation

Which one is the symbol of the bulb?

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