Energy Transformation

Which form of energy does a moving object possess?

• light energy

• sound energy

• chemical energy

• mechanical energy

Which form of energy is transferred from one object to the other?

• heat energy

• light energy

• sound energy

• mechanical energy

Which device uses chemical energy to produce sound?

• generator

• television

• radio

• microwave oven

Which example has chemical energy present in it?

• electric circuit

• light bulb

• medicine

• television

What form of energy can travel through a vacuum or an empty space?

• electrical energy

• radiant energy

• mechanical energy

• sound energy

Which of the following shows that electrical energy is changed to light energy?

• hot iron

• lighted fluorescent bulb

• switching on the radio

• a boy running after drinking water

Which energy transformation occurs in a flat iron?

• electrical energy to heat

• mechanical energy to light

• chemical energy to sound energy

• chemical energy to electrical energy

How does energy transform when strumming a guitar?

• electrical energy to light energy

• chemical energy to light energy

• chemical energy to light energy

• mechanical energy to sound energy

Which of the following gives the correct order of energy transformation in a burning candle?

• chemical – light– light

• chemical – light – heat

• heat – chemical – light

• heat – light – chemical

What is always produced when there is energy transformation?

• chemical

• electricity

• heat

• light