<p>Comprehension and additional task exercises pages 190 and 191 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for <strong>free</strong> from the website.<br /> This exercise covers:<br /> • What causes a day and a year: 24 hrs and 365.25 days<br /> • A leap year<br /> • Earth’s orbit having an elliptical shape<br /> • Earth’s tilt as the cause of the seasons<br /> • A pictorial illustrating summer (solstice), winter (solstice), spring (equinox) and autumn (equinox)<br /> • An explanation explaining why light intensity changes from winter to summer using torches to represent how the same amount of light from the sun can be more or less intense<br /> • Earth’s path across the sky (northern hemisphere)<br /> • How earth’s spin causes the sun to rise in the east and set in the west<br /> • An exercise on plotting the average hours of daylight for each month<br /> • A matching the statements exercise<br /> • An exercise on what it would be like in the summer (continual daylight) and winter (continual night time) at the north pole<br /> • Amazing WHAT? facts</p>

<p>A great classroom worksheet as a stand alone or to complement page 10 of Next Page Science KS3 when teaching about bones. Includes a labelling exercise with clues, a gap filling question and a chance for students to explain what they experience every day in the movement of joints. Also a graph plotting exercise with grid provided gets students to think about why some bones are stronger than others. Includes answers and a separate wordsearch.</p>

<p>Comprehension and additional task exercises pages 192 and 193 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for <strong>free</strong> from the website.<br /> This exercise covers:<br /> • What the solar system is and that ours is one of many<br /> • A pictorial of the solar system<br /> • A mnemonic for remembering the order of the planets<br /> • What a satellite is: the moon is our natural satellite and man-made satellites are used for communication, remote monitoring and meteorology<br /> • Planets’ orbit time varies with distance from the sun<br /> • Our galaxy: its name (Milky Way), what it is, how big it is and where we are in it<br /> • The definition of the light year<br /> • How far our nearest star (Alpha Centauri) and galaxy (Andromeda) are<br /> • An exercise plotting orbit time for the eight planets<br /> • An exercise ordering the size of objects<br /> • A true or false exercise on space<br /> • Amazing WHAT? facts</p>

<p>Comprehension and additional task exercises pages 108 and 109 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for <strong>free</strong> from the website.<br /> This exercise covers:<br /> • The earth’s atmosphere as the gases that surround the earth: 78% nitrogen and 21% oxygen<br /> • Population rise and consumption of fossils fuels causing climate change<br /> • Carbon dioxide and methane as greenhouse gases<br /> • An explanation of the greenhouse effect<br /> • A description of the problems caused by climate change<br /> • What we can do discussed<br /> • A graph plotting exercise on average air temperature from 1880 to 2020<br /> • A gap filling exercise explaining global warming<br /> • Amazing WHAT? facts</p>

<p>Comprehension and additional task exercises pages 84 and 85 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for <strong>free</strong> from the website.<br /> This exercise covers:<br /> • Acids and alkalis as chemical opposite that can cancel out (neutralise)<br /> • Acids and alkalis as chemicals that can damage skin and attack metals<br /> • Common examples and uses of acids to include: HCl, H2SO4 , fizzy drinks, vinegar, lemon, limes, bee stings<br /> • Common examples and uses of alkalis to include: NaOH, drain cleaner, bleach, washing powder, soap, indigestion tablets, wasp stings<br /> • The pH scale and indicators<br /> • Amazing WHAT? facts</p>

<p>Comprehension and additional task exercises pages 56 and 57 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for <strong>free</strong> from the website.<br /> This exercise covers:<br /> • John Dalton as the scientist who developed the idea of atoms<br /> • Definition of an element, compound and molecule<br /> • Pictorial examples of elements, compounds and molecules<br /> • An exercise recognising the differences between compounds and elements<br /> • Amazing WHAT? facts</p>

<p>Comprehension and additional task exercises pages 24 and 25 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for** free** from the website.<br /> This exercise covers:<br /> • Aerobic Respiration as the chemical reaction by which cells release energy using oxygen<br /> • Its similarity to burning<br /> • Anaerobic respiration and why it is sometimes required<br /> • Muscle burn through lactic acid production<br /> • Fermentation (brewing) and baking (proofing)<br /> • Recognition of a balanced chemical equation</p>

<p>Comprehension and additional task exercises pages 88 and 89 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for** free** from the website.<br /> This exercise covers:<br /> • The difference between endothermic and exothermic reactions<br /> • A pictorial aid for understanding exothermic and endothermic<br /> • Simple energy level diagrams as a way of representing the reactions in terms of changes in chemical energy<br /> • Examples of endothermic reactions: thermal decomposition and cold packs<br /> • Examples of exothermic reactions: Burning, neutralisation, acid plus metal and respiration<br /> • Exercises on recognising chemical reactions as endo/exo through temperature difference and energy released/absorbed in bond making/breaking<br /> • Amazing WHAT? facts</p>

<p>Comprehension and additional task exercises pages 170 and 171 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for <strong>free</strong> from the website.<br /> This exercise covers:<br /> • Light as a wave that travels in straight lines with nothing moving faster<br /> • What is meant by transparent, translucent and opaque pictorially represented<br /> • How we obtain a ray of light<br /> • The law of reflection<br /> • Regular and diffuse reflection with a diagram illustrating that reflected light still obeys the law of reflection<br /> • How a virtual image is formed in a mirror<br /> • An exercise completing the reflection of incident rays after measuring the angle of incidence to apply the law of reflection<br /> • An exercise on showing the formation of a virtual image<br /> • An exercise demonstrating how a periscope works<br /> • Amazing WHAT? facts</p>

<p>Comprehension and additional task exercises pages 6 and 7 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for <strong>free</strong> from the website.<br /> This exercise covers:<br /> • Differences between plant and animal cells<br /> • Organelles and their functions<br /> • Labelling diagrams of cells<br /> • Specialised cells and their functions<br /> • Levels of organisation (organ, organs systems etc)</p> <ul> <li>Amazing WHAT? facts.</li> </ul>

<p>Comprehension and additional task exercises pages 42 and 43 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for <strong>free</strong> from the website.<br /> This exercise covers:<br /> • What to evolve means<br /> • Genetic changes can happen naturally or due to the environment e.g. radiation<br /> • Survival of the fittest as those traits that help survival are passed on and become more common in the population<br /> • Extinction of a species<br /> • Charles Darwin as the scientist credited with first presenting the idea<br /> • The fact that evolution is still happening today<br /> • Amazing WHAT? facts</p>

<p>Comprehension and additional task exercises pages 186 and 187 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for <strong>free</strong> from the website.<br /> This exercise covers:<br /> • The three magnetic metals: iron, nickel, and cobalt<br /> • The shape of a magnetic field around a bar magnet and how to plot it using a compass<br /> • Cutting magnets in half and the resulting magnets produced<br /> • Attraction and repulsion and the shape of the magnetic fields<br /> • Induced magnetism explained as to why magnetic metals are attracted<br /> • The earth’s magnetic field and why a compass needle lines up to point in a north-south direction<br /> • Two exercises plotting magnetic fields: bar magnets and horseshoe magnets<br /> • An attract or repel exercise<br /> • A ‘can it be picked up?’ exercise<br /> • Amazing WHAT? facts</p>

<p>Comprehension and additional task exercises pages 82 and 83 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for <strong>free</strong> from the website.<br /> This exercise covers:<br /> • A non-chemical example of what it means for one element to displace another using X, Y and Z<br /> • The reactivity series as ordering elements from least reactive (weakest) to most reactive (strongest)<br /> • Sibling ‘stealing’ the toy as an analogy<br /> • A description of the classic displacing salts experiment: magnesium sulphate, zinc sulphate, iron sulphate and copper sulphate<br /> • Chemical equations pictorially represented<br /> • The results table for the experiment<br /> • An exercise on ‘what displaces what’ using the reactivity series<br /> • Amazing WHAT? facts</p>

<p>Comprehension and additional task exercises pages 142 and 145 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for <strong>free</strong> from the website.<br /> This exercise covers:<br /> • What contact and non-contact forces are<br /> • Examples of contact forces to include: the reaction force, upthrust, friction, air resistance and tension<br /> • A graph plotting exercise investigating how friction changes with weight<br /> • A discussion of the three non-contact forces: gravity, magnetic and electrostatic<br /> • A description of the difference between mass and weight and how to calculate weight<br /> • An exercise plotting how weight changes for a fixed mass on the different planets<br /> • A true or false exercise on mass and weight<br /> • A question to stimulate discussion of misconceptions relating to space and gravity<br /> • Amazing WHAT? facts</p>

<p>Twenty clear questions requiring the application of Fleming’s Left Hand Rule, answers included.<br /> Suitable for higher GCSE Physics or A level.</p>

<p>Comprehension and additional task exercises pages 78 and 79 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for <strong>free</strong> from the website.<br /> This exercise covers:<br /> • Thermal decomposition as using heat to break down compounds<br /> • Calcium carbonate and its widely used products (quicklime, neutralising soils, cement, concrete, glass making)<br /> • Copper carbonate as a pictorial example with copper oxide and carbon dioxide as the products<br /> • Zinc oxide as another commonly used product of thermal decomposition<br /> • An exercise on word equations for carbonates, a solve the clues exercise and a mind map exercise on uses of calcium carbonate<br /> • Amazing WHAT? facts</p>

<p>Comprehension and additional task exercises pages 134 and 135 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for <strong>free</strong> from the website.<br /> This exercise covers:<br /> • The three methods of heat transfer: conduction, convection and radiation<br /> • Conduction as a method that occurs best in solids<br /> • The transfer of vibrations from particle to neighbouring particle: arm linked people as an illustration<br /> • Radiation as infrared waves that all objects emit, hotter objects emit more<br /> • Convection as a method of heat transfer in liquids and gases: an onshore breeze and a ‘radiator’ in a room explained with pictorial aids<br /> • A convection labelling exercise<br /> • An exercise explaining why cloudy evenings can be warmer<br /> • An exercise recognising heat transfer through temperature difference<br /> • Amazing WHAT? facts</p>

<p>Comprehension and additional task exercises pages 162 and 163 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for <strong>free</strong> from the website.<br /> This exercise covers:<br /> • The properties of waves (what they do): oscillations that transfer energy, reflect refract and interfere<br /> • The difference between transverse and longitudinal waves<br /> • Amplitude and wavelength as measured from a transverse wave and a description of frequency<br /> • Light waves, water waves and waves on a string as examples of transverse waves<br /> • Sound as a longitudinal wave with a labelled diagram showing particle motion<br /> • Waves adding and cancelling (interference) pictorially represented<br /> • An exercise labelling a transverse wave in more than one place<br /> • An exercise showing the result of two waves interfering<br /> • Amazing WHAT? facts</p>

<p>Comprehension and additional task exercises pages 76 and 77 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for <strong>free</strong> from the website.<br /> This exercise covers:<br /> • The fire triangle as a way of remembering oxygen, fuel and heat requirement<br /> • Complete combustion of methane word and symbol equation<br /> • A description of the products of complete combustion demonstration (change in anhydrous copper sulphate and limewater)<br /> • Incomplete combustion and the production of carbon monoxide and soot<br /> • A practise exercise to show an equation is balanced<br /> • A question examining ‘burn time’ and oxygen available<br /> • Amazing WHAT? Facts</p>

<p>Comprehension and additional task exercises pages 22 and 23 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for <strong>free</strong> from the website.<br /> This exercise covers:<br /> • Respiring (breathing) as a way of providing oxygen for respiration<br /> • The windpipe, bronchus, intercostal muscles and the diaphragm’s role in breathing<br /> • Differences between inhaled air and exhaled air<br /> • Pressure difference as the driver in breathing<br /> • Gas exchange: alveoli and capillaries’ role</p> <ul> <li>Amazing WHAT? facts</li> </ul>

<p>Comprehension and additional task exercises pages 176 and 179 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for** free** from the website.<br /> This exercise covers:<br /> • Why electricity is so useful<br /> • The requirement of a complete circuit with an illustration of ‘what is happening’<br /> • Definition of voltage, current and resistance with a resistance analogy<br /> • The relationship between voltage, current and resistance<br /> • An example calculation highlighting the intuitive inverse relationship between current and resistance<br /> • Example circuit symbols<br /> • The four facts about series circuits operation explained step-by-step<br /> • An exercise calculating resistances, voltages and currents<br /> • Amazing WHAT? facts</p>