Energy Changes in Daily Life

What is meant by energy change in daily life?

• Energy change in daily life involves the transformation of energy from one form to another, enabling various activities.

• Energy change is the process of storing energy for future use.

• Energy change only occurs in electrical devices.

• Energy change refers to the amount of energy consumed in a day.

An example of energy change when we turn on a light is:

• Chemical energy is converted into thermal energy.

• Light energy is converted into sound energy.

• Mechanical energy is converted into kinetic energy.

• Electrical energy is converted into light energy.

When we cook water on the stove, the energy used is:

• thermal energy

• nuclear energy

• electrical energy

• mechanical energy

What happens to energy when we pedal a bicycle?

• Energy is converted from chemical to mechanical energy when pedaling a bicycle.

• Energy is transformed into electrical energy when pedaling a bicycle.

• Energy is released as heat when pedaling a bicycle.

• Energy is stored as potential energy when pedaling a bicycle.

What type of energy is used when we eat food?

• Chemical energy

• Nuclear energy

• Thermal energy

• Kinetic energy

When a battery powers a toy, what type of energy is being used?

• Mechanical energy

• Chemical energy

• Nuclear energy

• Electrical energy

What energy transformation occurs when we burn wood?

• Electrical energy to chemical energy

• Mechanical energy to sound energy

• Nuclear energy to kinetic energy

• Chemical energy to thermal and light energy

What happens to energy when we play music on a speaker?

• Energy is converted into thermal energy.

• Energy is absorbed by the speaker and not released.

• Energy is transformed into light energy.

• Energy is converted from electrical energy to sound energy.

When we use a microwave, what type of energy is involved?

• Kinetic energy

• Electromagnetic energy (microwaves)

• Chemical energy

• Thermal energy

What type of energy do plants use to grow?

• Water

• Soil nutrients

• Air

• Sunlight