<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 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 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 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 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 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>

<p>Comprehension and additional task exercises pages 94 and 95 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for free from the website.<br /> This exercise covers:<br /> • The properties of Group 1, Group 2, Group 7 and Group 8<br /> • The alkali metals: reaction with water (alkaline solution and hydrogen gas formation), pattern in reactivity down the group, density and melting points pattern. All have only one electron in their outer shell as the reason for the similarities<br /> • The alkali earth metals: reaction with water, pattern in melting points, boiling points and density. All have two electrons in their outer shell as the reason for the similarity<br /> • The Halogens: patterns in melting and boiling points, decrease in reactivity down the group and chlorine’s use as a disinfectant. All have seven electrons in their outer shells as the reason for the similarities.<br /> • The noble gases: their use in ‘neon’ lights. All having a full outer shell as the reason for their unreactivity.<br /> • A melting point and boiling point plotting exercise on the alkali metals<br /> • Amazing WHAT? facts</p>

<p>Comprehension and additional task exercises pages 168 and 169 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for** free** from the website.<br /> This exercise covers:<br /> • A description of the human ear with a labelled diagram explaining how it works<br /> • What is meant by a hearing range with a table listing the hearing ranges of a selection of animals<br /> • Ultrasound as frequencies above 20,000 Hz<br /> • Uses of ultrasound to include: echolocation (bats hunting), scanning unborn babies and in physiotherapy<br /> • A labelling exercise of the human ear<br /> • A gap filling exercise explaining echolocation<br /> • An example followed by questions on working out distances using echolocation<br /> • Amazing WHAT? facts</p>