Here are FIVE activities:
Physics Topics (Focus on : Heat Transfer and Renewable Energy)
Heat Transfer (Cloze Test)www.planetscience.org/revisiontime/heattransfer.htm
Heat Transfer (Crossword)
www.planetscience.org/revisiontime/heattransferxword.htm
Heat Transfer ( The Vacuum Flask: Multiple Choice)
http://www.planetscience.org/revisiontime/vacuumflask.htm
Renewable Energy (Cloze)
www.planetscience.org/revisiontime/renewables1.htm
Electromagnetic Waves (Drag and Drop)