Energy Conversions Chapter 4

Front

What is chemical energy?

Back

Chemical energy is the energy stored in the bonds of chemical compounds, like batteries, which can be released during a chemical reaction.

Front

What is electrical energy?

Back

Electrical energy is the energy caused by the movement of electrons through a conductor, such as wires.

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 or light bulbs.

Front

What is thermal energy?

Back

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

Front

How does a battery work?

Back

A battery converts stored chemical energy into electrical energy to power devices.

Front

What is an energy conversion?

Back

An energy conversion is the process of changing one form of energy into another, such as converting chemical energy into light energy.

Front

What is a flashlight?

Back

A flashlight is a portable device that converts chemical energy from batteries into light energy.

Front

What are wires used for in an electrical system?

Back

Wires are used to transfer electrical energy from one place to another.

Front

What happens when a flashlight stops working?

Back

It may have run out of chemical energy, meaning the batteries need to be changed.

Front

What is a system in terms of energy?

Back

A system is a group of parts that work together to perform a function, such as converting energy.