OML Search

Internal Energy


Related Topics:

IGCSE Physics Lessons
Math Worksheets


A series of free GCSE/IGCSE Physics Notes and Lessons.

Internal Energy
What is meant by internal energy?
What happens to internal energy during changes of state?



Internal Energy & Change of State
Internal energy is the total energy stores within a system. This is the total of the kinetic energy stores and potential energy stores of the particles within the system.
Describe the difference between these types of energy, and how energy is taken in or released when a substance changes state.

Check out our most popular games!

Fraction Concoction Game:
Master fractions in the lab: mix, add, and subtract beakers to create the perfect concoction!

Fraction Concoction Game

Fact Family Game:
Complete fact families and master the link between addition & subtraction and multiplication & division.

Fact Family Game

Number Bond Garden:
Clear the board by matching number pairs that sum to ten in this garden-themed mental math puzzle.

Number Bond Garden

Online Addition Subtraction Game:
Practice your addition and subtraction skills to help the penguin find its mummy.

Online Addition Subtraction Game


OML Search


We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.