energy transformations

Front

What is energy transformation?

Back

Energy transformation is the process of changing energy from one form to another, such as from chemical energy to electrical energy.

Front

What are the main types of energy?

Back

The main types of energy include chemical, electrical, thermal, mechanical, and light energy.

Front

What energy transformation occurs in a flashlight?

Back

In a flashlight, the energy transformation is chemical to mechanical to electrical to light.

Front

What happens to electrical energy in a microwave oven?

Back

In a microwave oven, electrical energy is transformed into thermal energy and light energy.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the total kinetic energy of particles in an object.

Front

How is electrical energy transferred to thermal energy?

Back

Electrical energy is transferred to thermal energy when electrical current flows through a resistor, generating heat.

Front

What is mechanical energy?

Back

Mechanical energy is the sum of potential energy and kinetic energy in an object.

Front

What energy transformation occurs when heating water in a kettle?

Back

When heating water in a kettle, the energy transformation is electrical to thermal to sound.

Front

What is the role of batteries in energy transformation?

Back

Batteries store chemical energy and convert it to electrical energy when used in devices.

Front

What is an example of energy transformation in a car?

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In a car, chemical energy from fuel is transformed into mechanical energy to move the car.