Energy

Front

What is energy?

Back

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

Front

What is an insulator?

Back

An insulator is a material that does not allow electricity or heat to pass through easily. Examples include rubber and plastic.

Front

What is a conductor?

Back

A conductor is a material that allows electricity or heat to pass through easily. Examples include metals like copper and aluminum.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from heat. It is created by the movement of particles in a substance.

Front

What is mechanical energy?

Back

Mechanical energy is the energy of an object due to its motion (kinetic energy) or its position (potential energy).

Front

What is sound energy?

Back

Sound energy is the energy produced by vibrating objects, which creates sound waves that travel through the air.

Front

What is light energy?

Back

Light energy is a form of energy that is visible to the human eye and is produced by sources like the sun and light bulbs.

Front

What is the source of almost all light on Earth?

Back

The sun is the primary source of light energy on Earth.

Front

What does it mean to measure the volume of sound?

Back

Measuring the volume of sound refers to determining how loud or soft the sound is.

Front

What is potential energy?

Back

Potential energy is the stored energy in an object due to its position or state. For example, a ball held at a height has potential energy.