<p>The PowerPoint lesson explains</p> <ol> <li>Primary and Secondary energy resources</li> <li>Renewable and non-renewable energy resources</li> <li>How energy from the sun, ground, wind, biofuels and from tides can be used to generate electricity</li> </ol>

<p>The the lesson explains</p> <ol> <li>what affects the loudness of a sound</li> <li>How to draw and interpret waveforms showing differences in amplitude</li> <li>what affects the pitch of a sound</li> <li>How to draw and interpret waveforms showing differences in frequency</li> </ol>

<p>The lesson explains the basics of wave and its properties. The following areas are covered in the lesson:<br /> Explanation of wave and type of wave based on the vibration producing it<br /> Reflection, refraction and diffration of wave<br /> Sound wave</p>

<p>The lesson explains</p> <ul> <li>the meaning of intensity</li> <li>the risk of loud sound and how to reduce the risks</li> </ul>

<p>This is a PowerPoint lesson on Interference of wave. It covers the following areas:</p> <ol> <li>What happens when wave interact</li> <li>Wave forms of constructive and destructive interference</li> <li>Applications of wave interference</li> </ol>

<p>These are sample questions that can be used to test the understanding of students in year 7 to year 9 classes. The questions covers the following topics:</p> <ol> <li>Force and Energy</li> <li>Light and Sound</li> <li>Electricity and Magnetism</li> <li>Earth in space</li> <li>General Physics topics like Pressure, density, Moment etc</li> </ol>

<p>This worksheet is a compiled questions covering the following Ks3 topics:</p> <ol> <li>Hot and Cold (Temperature and heat)</li> <li>Methods of transfer of thermal energy</li> <li>Cooling by Evaporation.</li> </ol>

<p>This worksheet covers the following Ks3 topics (necessary for Checkpoint examination) on Earth in space:</p> <ol> <li>The origin of the Universe</li> <li>Collision, asteroids, mass extinctions</li> <li>Collisions and the Moon</li> <li>The life cycle of stars</li> <li>Galaxies</li> </ol>

<p>The worksheet covers the following Ks3 topics necessary for checkpoint examination:</p> <ol> <li>Loudness and amplitude</li> <li>Pitch and Frequency</li> <li>Hearing, decibels, and risk</li> <li>Adding up and Canceling out of wave (Interference of wave)</li> </ol>

<p>The worksheets will help a student preparing for Ks3 Checkpoint examination. Questions provided for practice covered the following areas:</p> <ol> <li>Current in series and parallel</li> <li>Voltage in series and parallel</li> <li>Resistance</li> <li>Planning investigation: Resistance of a wire</li> <li>Energy and Power</li> <li>Investigation on how components in parallel and series circuits affect resistance</li> </ol>

<p>Ks3 worksheet ,summary notes, sample quiz and exam questions of all you need to know at this level on Pressure and Density</p>

<p>A worksheet covers the following Ks3 topics for year 7 and 8 students:</p> <ol> <li>Our planet: Day and night</li> <li>Seasons</li> <li>The night sky</li> <li>Our Solar system</li> <li>The Moon</li> <li>Ancient ideas about the Universe</li> <li>The Geocentric model</li> <li>Modern ideas about the Universe</li> </ol>

<p>This resources contain short notes, questions and answer on Thermometer. It will serve as a useful resource material that students can use to revise and test their knowledge on thermometers. GCSE and IGCSE students will find the resources useful.</p>

<p>A Ks3 worksheet and summary note on Moment and centre of mass for checkpoint students</p>

<p>Ks3 worksheet and short notes on Levers, Moments and stability</p>

<p>Revision worksheet on Gas law and Thermal expansion for IGCSE students.</p>

<p>A revision worksheet on the change of state for IGCSE students</p>

<p>This material is a revision worksheet for students who want to write GCSE or IGCSE (core and extended). It contain short notes and practice questions on Heat.</p>

<p>A Ks3 worksheet and summary notes on colour for checkpoint students.</p>

<p>A Ks3 worksheet sheet (with summary notes) on electrostatics for checkpoint students.</p>

<p>The material is useful revision worksheet for students about to write GCSE or IGCSE. It provides key fact students need to know in dispersion of light as well as in Electromagnetic wave.</p>