Required practical activity 8: make observations to identify the suitability of apparatus to measure the frequency, wavelength and speed of waves in a ripple tank and waves in a solid and take appropriate measurements.
Required practical activity 9 (physics only): investigate the reflection of light by different types of surface and the refraction of light by different substances.
Required practical activity 10: investigate how the amount of infrared radiation absorbed or radiated by a surface depends on the nature of that surface.
GCSE Exam Revision Specification Focus Questions and Answers 