Easyphysics

 GCSE Science - AQA
P1a Energy and Electricity
 Index
 Glossary

Did you know? 

The Energy-Saver bulb converts electrical energy into more light and less heat compared to ordinary filament light bulb. It also lasts longer.

 

     

 P1a Energy flow diagrams 

Syllabus  Summary Questions Answers


1. Fill in the gaps  in a), b) and c).

2. Explain what happens to the energy transformed by the computer in question 1.

3. Complete the following table:

 Devices  Input energy  Useful energy  Waste energy
 TV      
 Car engine      
 Gas cooker      
 Washing machine