Energy Transformations Practice

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. It is the energy that causes the sensation of warmth.

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 thermal energy.

Front

What is an example of energy transformation from chemical to electrical to light energy?

Back

A battery causes a flashlight to shine.

Front

What happens when a cell phone battery is charged?

Back

The energy transformation that occurs is electrical energy being converted to chemical energy.

Front

What do a toaster, hair dryer, and iron have in common?

Back

They all convert electrical energy to thermal energy.

Front

What is energy transfer?

Back

Energy transfer is the movement of energy from one place to another without changing its form.

Front

What is mechanical energy?

Back

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

Front

What is an example of thermal energy in everyday life?

Back

Feeling warmth from a heater or the sun.

Front

What is chemical energy?

Back

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

Front

What is an example of energy transformation in a light bulb?

Back

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