Forces in action ks3 Duration: 01:21 Gravity on Earth, Jupiter and Pluto. Mar 24, 2025 · Key stage 3 ~ year 7 ~ complete lesson on forces. In today's video I cover a basic physics definition of a "force", as well as describing and providing examples of contact forces (e. It includes an attractive, student friendly PowerPoint presentation that includes differentiated lesson objectives and tasks, keywords for the lesson and an opportunity for reflection on the learning Physics - KS3 Forces in Action Mrs Wolstenholme 1. NOTE: this lesson doesn’t discuss size of force arrows, but focuses on drawing force arrows touching objects in the correct places and going in the correct direction. Five fun facts about forces. Force is measured in newtons (N). 7 m. Work Done Work done is the amount of 3. Lessons meet the full criteria for this unit Similar structure to my other power points following the input - activity - review phasing Plenary sections for progress checking Clear learning objectives and outcomes Modern and engaging layout Little adaptation needed • Different types of forces • Weight, Mass and Gravity Practical Skills: • Assessed Enquiry –Speed down a ramp This will prepare you for: • GCSE physics topic ‘Forces A & Forces B’ This topic has links to • Y8 forces Maths in science: • Rearranging Equations • Plotting Graphs Key Words: Speed Acceleration Deceleration May 9, 2019 · A powerpoint for KS3 (Year 7 or low ability year 8) going through different types of force with a do now activity and a true or false plenary activity. This Force Diagrams KS3 Worksheet is intended to be used for independent learning, designed for students working to a KS3 Physics level of work. a. We cannot see a Physics - KS3 Forces and Motion Mrs Wolstenholme 1. KS3. Explore these resources to enhance your lessons on forces and keep students engaged in learning. Lesson 1 - Introduction to forces Lesson 2 - Squashing and stretching Lesson 3 + 4 - Hooke's Law investigation Lesson 5 - Drag and friction Lesson 6 - Forces at a distance This concept applies to contact forces (where an object must touch another object to exert a force). Elastic Deformation Elastic deformation: an object returns to its original shape when forces are removed The baseball forces the bat to the left; the bat forces the ball to the right. 1) The total force resulting from 2 or more forces acting upon a single object. The resultant force is the vital thing in working out how an object will move. 3 Credit: no attribution required 1000 N 2500 N Mar 16, 2012 · More clips from Forces in Action. Consider the following three examples. This means that when one "A force is a push or a pull that acts on one object due to its interaction with some other object. In this lesson students will describe what forces are and what they do, understand that force arrows show both the direction and size of a force, give some examples of different types of force and explain how forces can be measured. This specific force is referred to as muscular force. Key stage 4. Many of the situations illustrated in the diagrams in the slide deck could be demonstrated live in the classroom. It includes related questions to check student understanding. 30 reviews Moments | Forces & Motion | Physics | FuseSchoolThink of a spanner loosening a fixed nut, or a child on a seesaw, or a door opening around a fixed hinge. Explore more key stage 3 science lessons from the Moving by force unit, dive into the full secondary science curriculum, or learn more about lesson planning. 6 (60 Feb 22, 2018 · Full 9 lesson Forces SOW. A force of 40 N is applied to a spanner to turn a nut. What Forces Act in Stretching? Quality Assured Category: Science Publisher: Millgate House Education. Forces are measured in newtons (N). a) Inertia b) Uniform Motion c) Steady Motion d) Stationary 3) A measure of the amount of material there is in an object. There are two types of forces: contact and non-contact. On any object, there are usually multiple forces acting. Option 1 Astronomy Option 2 Key words: force, weight, elastic potential store, kinetic store, gravitational store Online AQA & Edexcel IGCSE Physics Exam Technique Courses Get exam ready with our one-day Exam Technique Courses. Calculate the force needed to cause this extension. Apr 24, 2025 · It comes complete with the following fully differentiated and resourced lessons: 1. The current link has expired or is invalid. A non-contact force is a force that acts on an object without physically touching it. The thrust close thrust A force used to move a body Change depending on direction of force and its size; KS3 Curriculum Links Scotland . Five action-packed, fully resourced and engaging lessons on forces including: * What is a Force; * Weight and Mass; * What is Friction: * Air Resistance; * Balanced and Unbalanced Forces Each lesson has a fully animated PowerPoint and 15 printables to allow teachers to select resources appropriate to pupil ability and time available. Forces Word Search - A fun word search activity to help children become familiar with force-related vocabulary. Forces - Speed Fully Resourced Lesson KS3 **Moments, pressure, speed and Hooke’s Law are all clearly and concisely explained using an animated PowerPoint in these four action-packed, fully resourced and engaging lessons We hope you are enjoying our large selection of engaging core & elective K-12 learning videos. Forces. There are many kinds of force. This worksheet can be used alongside the assessment, or it could be set for online learning, homework A force is a push or a pull that acts on an object. A linear air track is an excellent way to show motion with very low friction. For example, a book on a table. Curriculum plans. Forces are just pushes and pulls in a particular direction. Zero acceleration. Forces can be measured using a Newton metre, which is sometimes called a force metre or spring balance. Duration: 01:28 Gravity and Acceleration Revision quiz for the KS3 Forces in Action topic. The sheet shows students how to draw force arrows on balanced and unbalanced diagrams. Opposing forces and equilibrium: weight held by stretched spring or supported on a compressed surface; Forces and motion. There is no hard and fast rule about the number of forces that must be drawn in a free-body Save guides, add subjects and pick up where you left off with your BBC account. Newton’s third law says that for every action there is an equal and opposite reaction. Examples include: Friction - a force between two surfaces that rub together. What is a Force, Weight and Mass, What is Friction, Air Resistance, Balanced and Unbalanced Forces are all explained in these five action-packed, fully resourced and engaging lessons. All Apr 28, 2025 · KS3 - Forces Bundle. Featuring six beautifully illustrated images and an answer sheet, this resource encourages children to draw a series of arrows to demonstrate which way they think the forces are acting in them. This resource contains: KS2 Science Forces learning resources for adults, children, parents and teachers. Balanced forces. Suitable for teaching 9-11s. We feel forces as either a push or a pull. Originally designed for Edexcel 'transition content' for GCSE science. Support your team. KS3 Curriculum Links Key stage 3. New videos are added all the time - make sure you come back of When a force close force A push or a pull. Physics - KS3 Forces In Action Mrs Wolstenholme 1. newtons, measurements • forces as pushes or pulls, arising from the interaction between 2 objects • forces measured in of stretch or compression as force is changed PRAC: Forces circus (made up into trays 1. Find out more with BBC Bitesize. Forces being needed to cause objects to stop or start moving, or to change their speed or direction of motion (qualitative only) Change depending on direction of force and its size . Calculate the moment of the force. I introduce different types of forces, grouping them into The rotational effect of a force is called a moment. Perfect for teasing out your students' scientific syllables into GCSE-grade hypotheses! Fancy a taste? Let's go from A to C:Acceleration:  For these forces to act, the interacting objects don [t have to be touching (they are physically separate). The first of these sheets contains several questions and six boxes for drawings and asks students several questions about forces in action. KS3 Curriculum Links However, the mud is unable to produce a reaction force to push the car forwards. Ensure your budding KS3 scientists can use accurate scientific terminology when expressing themselves on the topic of KS3 Forces with Beyond's Forces Glossary: a curated list of essential keywords for students to learn and use in their own work. Some of the worksheets displayed are Forces work 1, Joining forces ks3 resources, Force and motion, A resource for standing mathematics qualifications, Pressure calculations work, There are different types of forces, Forces in action ks2 science, Joining forces ks2 resources. A push or a pull is a force. 2. Tension - a force that acts through a cable, wire or string. Balanced forces do not cause movement or a change in speed. 4 Forces at a distance 1. When the boy lifts the courier box, his muscles contract and apply the necessary force to overcome gravity‘s pull, enabling him to elevate the object. acts on an object, the object may change shape by bending, stretching or compressing - or a combination of all three Physics - KS3 Forces in Action Mrs Wolstenholme 1. 2kN and resistance to motion of 400N. Includes gap-fill equivalent and full answers sheet all in one powerpoint. 3. Footprints-Science have produced hundreds of memorable animations and interactive quizzes for teaching and learning GCSE Science. The quiz is designed to last 25-30 minutes with 10 minutes left for the students to peer assess. Density and pressure. 2 Squashing and stretching 1. The first two boxes contain illustrations of forces acting on objects with arrows and asks students to name the force. g. Explore the different forces which act on objects and affect our everyday lives, including gravity, weight, air resistance and friction. For example, when a door is pushed open, a force is applied, which causes the door to open. A force is a push or pull that causes a change in speed, direction or shape. KS3; GCSE; Functional Skills; Northern Ireland. Forces quiz. Maths KS3 Maths - Full Collection Forces in Action Worksheet. Therefore, the wheels spin and spray mud backwards, but the car does not move forwards. –At A Level a force comes in just 3 types outside the nucleus of an atom: •Gravitational force 1 Force and Motion . 4 . The unit of force is the newton (N. Revision quiz for the KS3 Forces in Action topic. Examples of non-contact forces. Print, save as a PDF or Word Doc. This concept cartoon helps students to understand the forces in action when a bungee cord is being stretched. The second set of two boxes contains Learn about the different types of forces, including a push, pull and twist, with Seymour Science in this primary Bitesize guide. The size and direcion of a resultant force determines how (and if) an object Explore more key stage 3 science lessons from the Forces unit, dive into the full secondary science curriculum, or learn more about lesson planning. Specialist. We've put the lessons in order helping you build on what you've learned before so it’s best to start with the first lesson of a unit. Place one tick in each row to show whether the named force is a contact force or a non-contact force. These are shown as vectors. 4344 J 0. Force & the Newton •Force –a vector quantity (has direction & magnitude) –At KS3 forces were either pushes, pulls or twists. For example, a book on a Explore forces in action with our fabulous resource pack! It includes a topic guide, a range of differentiated activity materials, a Bingo game to play and display resources to decorate your learning environment! Balanced forces. 22 reviews KS3 Forces and Motion Differentiated Homework Worksheets . Plan a lesson. Sir Isaac Newton’s Laws of motion describe how forces cause changes to the motion of an object, how gravity gives weight to mass; how forces Aug 25, 2020 · This high quality, ready to go lesson is suitable for Key Stage 3 students and is based upon the Forces topic from the Activate Scheme of Work. Forces can make things move, change their speed, or change their shape. Your students can harness the force of learning with our Forces KS3 Unit of Work, helping engage your students in the world of KS3 Physics. Our KS3 Forces Worksheets are filled with questions to help students logically reinforce their Forces knowledge and learning. Designed to seamlessly support students as they work through the KS3 Physics syllabus, these worksheets make the perfect accompaniment to your lesson. 3 Drag forces and friction 1. Duration: 01:22 Falling Objects. The unit of force is the newton (N). This material covers the whole of the cells topic in KS3: Intro to Forces; Hooke’s law; Friction; Weight; Balanced Forces; Moments; Key points: Scheme of work is mapped to national curriculum; Clear objectives for every lesson; Tasks and activities which make Forces lessons, worksheets and revision materials you can use with your KS3 and KS4 science students. –At A Level a force comes in just 3 types outside the nucleus of an atom: •Gravitational force Feb 22, 2018 · A revision resource for Forces and Motion (Year 9), with numerous boxes to for students to independently complete. Jul 7, 2023 · Forces (AQA Activate 1 KS3) New for the AQA Approved KS3 Activate 1 unit. The resultant force is the sum of all the forces acting on an object. AGD – To explain the effect forces can have on different objects. Explore more key stage 3 science lessons from the Forces unit, dive into the full secondary science curriculum, or learn more about lesson planning. The direction of the arrow shows the direction in which the force is acting. This means that when one (e) equilibrium of an object under the action of forces and torques : For equilibrium: Σ clockwise moments = Σ anticlockwise moments (f) condition for equilibrium of three coplanar forces; triangle of forces. Newton’s 1st Law of Motion. You'll find forces worksheets, activities, games and ideas that explore the different types of forces and their interactions provide practice interpreting graphs. You can ‘pull’ a sleigh. • Different types of forces • Weight, Mass and Gravity Practical Skills: • Assessed Enquiry –Speed down a ramp This will prepare you for: • GCSE physics topic ‘Forces A & Forces B’ This topic has links to • Y8 forces Maths in science: • Rearranging Equations • Plotting Graphs Key Words: Speed Acceleration Deceleration Support your students in mastering the KS3 Forces topic with our comprehensive, expertly-made and fully editable, Forces KS3 worksheet. See full list on twinkl. KS3 Physics: Forces Priority Learning Worksheet Name: Date: A car of mass 1200kg experiences a driving force of 1. Back to home Dec 6, 2024 · Forces Module Including Revision Lesson and 7 Games KS3. 25 Independent Word search contains 18 words. AQA students can join us for Paper 1 on 17th May (SOLD OUT) and Paper 2 on 31st May. Inside each lesson pack, you'll receive everything you need to teach this unit effectively – including detailed push and pull lesson plans, printable worksheets and engaging lesson presentations. Here are five fun facts about forces:. This wonderful forces worksheet for KS2 is perfect for introducing young learners to the forces and motion science topic. Needs to be followed up by class discussion or teacher presentation on the outcomes of the activities, and on force effects and types. Together, these two forces exerted upon two different objects form the action-reaction force pair. Aimed at a mixed ability Y7 set. 1) What are forces measured in? a) grams b) centimetres c) newtons d) litres 2) What does gravity do? a) sends things into the air b) pulls objects towards the earth c) speeds objects up d) slows objects down 3) If an object is stationary the forces are: a) unequal b) equal c) up and down d) opposite 4) What does air resistance do to falling objects? The rotational effect of a force is called a moment. A force is a push or a pull that acts on an object due to the interaction with another object. Forces: developing an understanding of how forces can change the shape or motion of an object and the forces acting on it, and developing an understanding of the concept of buoyancy, force and density. Tailored to align perfectly with the KS3 Physics curriculum, these worksheets are an ideal addition to your lessons. Examples include pushing a gate and a Start studying KS3 Unit 9 Forces in Action. Choose from 500,000+ puzzles. (No worksheet because I didn’t create it) Creative Commons "Sharealike" Explore more key stage 3 science lessons from the Forces unit, dive into the full secondary science curriculum, or learn more about lesson planning. Learn about push, pull, stretch, squash and twist forces with this Bitesize Scotland Science article for learners at First Level in Curriculum for Excellence. These were incredibly helpful in supporting non-specialist teachers, disadvantaged students and improving the amount of reading in science lessons. Calculate the force needed to make this happen. The arrows represent the size and direction of the forces acting. Forces are shown by arrows in diagrams. " For example: 1) The force between a shopping trolley and a customer when the customer pushes the trolley along the aisle. Force: A push or a pull. Forces always come in pairs; interacion pairs. 3) The force felt between two Nov 16, 2012 · A compilation of clips of forces in action including a spacecraft being launched, astronauts moving in space, sprinters on an athletics track, an elephant pulling a log, a bird landing, a car Nov 15, 2012 · Scientific Eye Series 10 (1997)Eight programmes from the broadcast schools' science series, each of which examines a single topic, with individual stories be Lesson listing for Science, primary, Year 5. Contact forces are examples of forces that need to be in contact with each other for objects to be able to move. A force can act as a push, a pull or a twist. Free resources include multiple choice questions, drag and drops, sample animations, matching activities, pairs and fill in the blanks. Forces FORCES Forces change the speed, shape or direc-ion of an object. There is a student sheet along with a question sheet with answers. 1 Forces and Motion – Part A “Units” 1 Forces and Motion – Part B “Motion” 1 Forces and Motion – Part C1 “Shape and Hookes Law” 1 Forces and Motion – Part C2a “Movement F = ma, Terminal V, Stopping Distances” 1 Forces and Motion – Part C2b “Momentum and Moments” Forces Animations; 2 Electricity KS3 Forces Practice Exam Questions Answers 1. Also included are pages from the fantastic The Power of Forces and Magnets eBook to support and extend 1. The lift-off of a space rocket is an example of an unbalanced force in action. An elastic band stretches. The force on an object moving through the air that causes it to slow down (also known as drag) Balanced Forces acting on an object that are the same size but act in opposite directions. You can ‘push’ open a door. I can use the idea of resultant force to explain whether a change of speed occurs or not. Unbalanced forces: When two forces acting on an object are not equal in Year 3 Science Year 3 Forces learning resources for adults, children, parents and teachers. The space rocket accelerates upwards from its launch pad. 0362 x 120000= 4344J Help your students understand the KS3 Forces topic with our comprehensive and editable worksheets. 3982 Work = force x distance = 0. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Add your own answers, images, and more. Magnets x 10 2. When introducing drag forces, get students to hold out their hand and 'swish' it through the air in front of them so they can feel/experience air resistance for themselves. I can describe the characteristics of friction forces, explain what causes friction and describe how friction can be reduced. Objects do not necessarily always have four forces acting upon them. Lesson 1 - Introduction to forces Lesson 2 - Squashing and stretching Lesson 3 + 4 - Hooke's Law investigation Lesson 5 - Drag and friction Lesson 6 - Forces at a distance An object at rest on a surface experiences reaction force close reaction force Force exerted in the opposite direction to an action force. –At GCSE we introduced drag, thrust, weight, friction, tension and others applying to particular forces. These KS3 Forces Worksheets ensure students can revise effectively for the Forces topic. Ben Shires, Naomi Wilkinson and Greg Foot investigate different forces using some of the McLaren supercars, and homemade balloon Help KS3 physics students to understand forces, motion, speed, resultant forces and work, as well as gravity, with a selection of introductory presentations, discussion activities, revision and consolidation tasks, specifically written to support your delivery of the KS3 curriculum. object at rest on a surface experiences reaction force close reaction force Force exerted in the opposite direction to an action force. Moments | Forces & Motion | Physics | FuseSchoolThink of a spanner loosening a fixed nut, or a child on a seesaw, or a door opening around a fixed hinge. Worksheets marked STR or SUP are differentiated (stretch and support). The units are kg. Physics - KS3 Forces in Action Mrs Wolstenholme 1. In this video, I explain balanced and unbalanced forces from a physics viewpoint. Unbalanced forces Aug 21, 2024 · This is a KS3 physics lesson covering how do draw and label basic force diagrams. Pupils. . Show the forces acting on an object in a free body diagram. More clips from Forces in Action. Big force, little force A tennis ball is hit with a tennis racket. 2) The force between a strong man and a car when the strong man pulls the car along a road. Duration: 01:54 Falling Objects A force diagram is a diagram showing the forces acting on an object. We will also learn about contact forces and non-contact Nov 15, 2012 · Scientific Eye Series 10 (1997)Eight programmes from the broadcast schools' science series, each of which examines a single topic, with individual stories be Lesson listing for Science, primary, Year 5. Feb 22, 2025 · Forces Five Fully Resourced Topics Plus Interactive Smart Board Quiz KS3. Aug 14, 2024 · Here, a boy lifts a heavy courier box, and his muscles apply force to accomplish this action. co. a) Sum Force b) Newton Force c) Resultant Force d) Reaction Force 2) The velocity of a body remains constant. Magnetic forces; Gravitational forces KS3; GCSE; Functional Skills; Northern Ireland. 2. When drawing a force diagram: represent the object with a small box or dot Science: Forces: Forces In Action Year 5 Lesson 1 . forces ARE – To describe the main types of forces. All lessons planned in 6-part lesson format. 5 Balanced and unbalanced Perfect for KS3 Physics and lessons can easily be adapted for GCSE Science if needed. Reminder: Two options to make a moment bigger Make the perpendicular distance from my force to the pivot bigger Something is wrong. For students between the ages of 11 and 14. In this lesson students are introduced to the definition of a force and some examples of the different forces Force & the Newton •Force –a vector quantity (has direction & magnitude) –At KS3 forces were either pushes, pulls or twists. 62cm 0. A spring has a spring constant of 13 N/m and extends by 0. Our KS3 Forces Worksheets are filled with questions to 1) The total force resulting from 2 or more forces acting upon a single object. EYFS. Force arrows show the direcion AND size of the force. Balanced forces: When two forces acting on an object are equal in size but act in opposite directions. This resource can be Feb 11, 2025 · This allows teachers to know they have high quality materials for their KS3 lessons. The parent weighs 750 N and the child 1. uk I can draw and label force arrows to accurately represent forces acting. This is the first lesson of the KS3 Forces topic. This bundle is a complete topic pack containing all powerpoints, student worksheets, challenge tasks, plenary activities, and answer sheets for the KS3 Physics topic “Forces”. This forces in action worksheet contains a PDF with two sheets that can be printed on A4 paper. We feel forces as pairs that act in opposite directions. Forces are divided into contact forces and non-contact forces. Note that in the description of the two forces, the nouns in the sentence describing the forces simply switch places. This video gives an introduction to forces and is for Key Stage 3 pupils (pupils in Years 7 and 8). 4. 1) What are forces measured in? a) grams b) centimetres c) newtons d) litres 2) What does gravity do? a) sends things into the air b) pulls objects towards the earth c) speeds objects up d) slows objects down 3) If an object is stationary the forces are: a) unequal b) equal c) up and down d) opposite 4) What does air resistance do to falling objects? This is the first in our series of six lessons on the year 3 topic of Forces and Magnets. It is a useful tool to highlight students' misconceptions and then address them. Option 1 Showing top 8 worksheets in the category - Force Ks3. This means that when one This forces in action worksheet contains a PDF with two sheets that can be printed on A4 paper. They are varied in nature as they were written by a wide range of staff and also show a progression in… Forces happen when there is an interaction between objects. What does the force of the racket do to the tennis ball? Look at these statements. [7] Force Contact Non-Contact friction air resistance gravitational upthrust magnetic reaction electrostatic b. Simple Machines 2 Changes the size of a force Changes the direction a force acts in 3. Air resistance - a type of frictional force that slows objects as they fall. This is the first in our series of six lessons on the year 3 topic of Forces and Magnets. The term ‘force’ is used when each example of a force is identified. Working scientifically Introduce your students to the topic of contact and non-contact forces with this KS3 unit of work. There will be cases in which the number of forces depicted by a free-body diagram will be one, two, or three. 5 (46 reviews) Labelling Forces Worksheet. A parent and child are at opposite ends of a playground see-saw. The size and direcion of a resultant force determines how (and if) an object The rotational effect of a force is called a moment. The images featured include:A planeA slideA parachuteA floating National 4; Forces, motion and energy Test questions. A force of 15 N is applied to a door handle, 12 cm from the pivot. PHYSICS Key Stage 3 Programme of Study Ph13 To understand the representation of a journey on a distance-time graph KS3 Forces Ph14 To understand forces as pushes and pulls, arising from the interaction between two objects Ph15 To be able to use force arrows in diagrams, adding forces in one dimension, balanced and unbalanced forces Ph16 T he free-body diagram above depicts four forces acting upon the object. Resultant force The single overall force acting on an object. It has the same effect as all the forces acting on the object all together. Children identify different examples push and pull forces in an adventure playground. 7 (36 reviews) Forces and Motion Word Cards. Forces KS3 Unit of Work resources. density = mass divided by volume: ρ = m/V : pressure; for solids, liquids and gases: p = F/A KS3 Physics Forces and movement learning resources for adults, children, parents and teachers. It has a spring constant of 10 N / m and extends by 15 cm when a force is applied to it. The perpendicular distance is 30 cm. Apr 17, 2020 · Below are links to download the majority of our KS3 booklets we used this year. Dec 9, 2012 · BBC Science in Action A force is a push or pull that causes a change in speed, direction or shape. KS3 Science Revision KS3 Maths Revision KS3 Geography Physics - KS3 Forces in Action Mrs Wolstenholme 1. Full lessons ready to use straight ‘out of the box’. 2 Credit: no attribution required 1000 N 1000 N Balanced. friction) and non-cont A force makes things change: the speed, the direction and/or the shape of an object. To help you prepare to teach forces with your secondary science students we have selected a comprehensive collection of resources, with everything from lesson presentations on force and elasticity and resultant force worksheets to GCSE revision mats and practice questions. Force diagram: shows the forces acting on an object, using arrows to show the direction and size of the force. from the Forces KS3 resources we offer include: Forces KS3 Unit Overview - This overview of the entire Forces KS3 Unit of Work covers a complete snapshot of the activities available for each of the lessons that comprise the unit. 1 Introduction to forces 1. Forces are all around us and play a crucial role in our everyday lives. Forces can be measured with a newton-meter (force meter). 2) The velocity of a body remains constant. Physics - KS3 Forces in Action Mrs Wolstenholme. Weightlessness in space. All Jan 26, 2015 · Includes measuring using Newton meters, seeing what happens to an object when a constant force acts on it, and thinking about types and effects of force. Each lesson aims to introduce students to forces via hands-on investigations with followup evaluations throughout the unit. The second set of two boxes contains Browse our engaging KS3 science teaching resources for the GCSE and KS3 forces content of the GCSE and KS3 physics requirements of the national curriculum. btknqvebuykmeixzpunxikqhkmihqlapunoidorwjztm