Energy Transformations

Front

What is energy transformation?

Back

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

Front

What is the primary energy transformation that occurs in photosynthesis?

Back

The primary energy transformation in photosynthesis is from light energy to chemical energy.

Front

What types of energy does a television transform electrical energy into?

Back

A television transforms electrical energy into light, thermal (heat), and sound energy.

Front

Which device transforms electrical energy into mechanical energy?

Back

A fan transforms electrical energy into mechanical energy.

Front

What energy transformation occurs when gasoline is used in a car?

Back

The energy transformation that occurs is from chemical energy to mechanical energy.

Front

What energy transformations occur when rubbing hands together?

Back

The energy transformations are from chemical energy (from food) to mechanical energy (movement) to thermal energy (heat).

Front

What is an example of light energy being transformed into chemical energy?

Back

An example is how plants use sunlight to convert carbon dioxide and water into glucose during photosynthesis.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter, often felt as heat.

Front

What is mechanical energy?

Back

Mechanical energy is the sum of potential energy and kinetic energy in an object, related to its motion and position.

Front

What is chemical energy?

Back

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