Welcome to the GCSE Physics Ninja **Energy & Power** course.

These video lessons are based on question-and-answer flashcards. You can either make your own or download the printable flashcards from the **shop**.

When you have completed this course, you will be able to...

- Understand how energy can
**travel and transfer**from one form to another. - Calculate the
**efficiency**of a machine or process. - Calculate the
**gravitational potential energy**and**kinetic energy**of a body. - Work out the
**maximum speed**of a falling body. - Understand the term
**'work done'**and how forces can**'do work'**. - Explain the idea of
**power**in terms of energy transfer and time. - Calculate
**power**using both standard units and 'domestic power' units. - Work out the
**cost of running**an electrical appliance. - Understand the
**payback time**of installing a more efficient appliance. - Describe and compare different
**energy resources**available for our energy needs. - Explain the
**environmental impact**of different energy resources. - Understand and describe how
**electricity**is generated and distributed.