Energy

Front

What is energy?

Back

Energy is the ability to do work or cause change. It exists in various forms, such as kinetic, potential, thermal, electrical, chemical, and more.

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

What is electrical energy?

Back

Electrical energy is the energy caused by the movement of electrons. It powers devices like lights and computers.

Front

What is chemical energy?

Back

Chemical energy is the energy stored in the bonds of chemical compounds, like food and batteries.

Front

What is mechanical energy?

Back

Mechanical energy is the sum of potential and kinetic energy in an object that is used to do work.

Front

What is an electrical circuit?

Back

An electrical circuit is a closed loop that allows electricity to flow, consisting of a power source, conductors, and a load.

Front

What does it mean for a circuit to be open?

Back

An open circuit means that the path for electricity is broken, preventing current from flowing.

Front

What does it mean for a circuit to be closed?

Back

A closed circuit means that the path for electricity is complete, allowing current to flow.

Front

What is insulation?

Back

Insulation is a material that reduces the transfer of heat, helping to keep things warm or cold.

Front

What is the role of a light bulb in a circuit?

Back

A light bulb converts electrical energy into light and heat energy when the circuit is complete.