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Puzzles

Every topic has a word search and a crossword made from its key words, and so does every lesson, from the words of that lesson. Play them here on the page, or save a unit’s puzzle booklet to print: the topic’s puzzles and every lesson’s, with their answers.

Biology

B1 CellsWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 9 lessons, a word search and a crossword each

• 1. What is a cell?Word searchCrossword
• 2. Inside an animal cellWord searchCrossword
• 3. Plant cellsWord searchCrossword
• 4. Making a slideWord searchCrossword
• 5. Using a microscopeWord searchCrossword
• 6. Specialised cellsWord searchCrossword
• 7. DiffusionWord searchCrossword
• 8. Unicellular organismsWord searchCrossword
• 9. From cells to youWord searchCrossword

B2 Skeleton and musclesWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 6 lessons, a word search and a crossword each

• 1. What your skeleton doesWord searchCrossword
• 2. Bones of the bodyWord searchCrossword
• 3. JointsWord searchCrossword
• 4. How muscles workWord searchCrossword
• 5. Muscles in pairsWord searchCrossword
• 6. Measuring muscle forceWord searchCrossword

B3 Human reproductionWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 8 lessons, a word search and a crossword each

• 1. Egg and sperm cellsWord searchCrossword
• 2. The male reproductive systemWord searchCrossword
• 3. The female reproductive systemWord searchCrossword
• 4. The menstrual cycleWord searchCrossword
• 5. FertilisationWord searchCrossword
• 6. Growing in the uterusWord searchCrossword
• 7. BirthWord searchCrossword
• 8. A healthy pregnancyWord searchCrossword

B4 Plant reproductionWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 6 lessons, a word search and a crossword each

• 1. Parts of a flowerWord searchCrossword
• 2. PollinationWord searchCrossword
• 3. Fertilisation in plantsWord searchCrossword
• 4. Seeds and fruitsWord searchCrossword
• 5. Seed dispersalWord searchCrossword
• 6. Investigating dispersalWord searchCrossword

B5 Food and digestionWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 9 lessons, a word search and a crossword each

• 1. NutrientsWord searchCrossword
• 2. A balanced dietWord searchCrossword
• 3. Energy in foodWord searchCrossword
• 4. When a diet goes wrongWord searchCrossword
• 5. The digestive systemWord searchCrossword
• 6. The journey of foodWord searchCrossword
• 7. EnzymesWord searchCrossword
• 8. Absorbing foodWord searchCrossword
• 9. Helpful bacteriaWord searchCrossword

B6 Breathing and gas exchangeWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 8 lessons, a word search and a crossword each

• 1. The gas exchange systemWord searchCrossword
• 2. AlveoliWord searchCrossword
• 3. Breathing in and outWord searchCrossword
• 4. Measuring lung volumeWord searchCrossword
• 5. Exercise and breathingWord searchCrossword
• 6. AsthmaWord searchCrossword
• 7. Smoking and the lungsWord searchCrossword
• 8. StomataWord searchCrossword

B7 RespirationWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 5 lessons, a word search and a crossword each

• 1. What is respiration?Word searchCrossword
• 2. Aerobic respirationWord searchCrossword
• 3. Running out of oxygenWord searchCrossword
• 4. FermentationWord searchCrossword
• 5. Aerobic or anaerobic?Word searchCrossword

B8 PhotosynthesisWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 6 lessons, a word search and a crossword each

• 1. How plants make foodWord searchCrossword
• 2. The word equationWord searchCrossword
• 3. Leaves built for the jobWord searchCrossword
• 4. Inside a leafWord searchCrossword
• 5. Water and minerals from rootsWord searchCrossword
• 6. Why all life depends on itWord searchCrossword

B9 Drugs and healthWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 4 lessons, a word search and a crossword each

• 1. What is a drug?Word searchCrossword
• 2. AlcoholWord searchCrossword
• 3. SmokingWord searchCrossword
• 4. Drug misuse and addictionWord searchCrossword

B10 EcosystemsWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 6 lessons, a word search and a crossword each

• 1. Food chainsWord searchCrossword
• 2. Food websWord searchCrossword
• 3. InterdependenceWord searchCrossword
• 4. Pollinators and our foodWord searchCrossword
• 5. Living things and their environmentWord searchCrossword
• 6. Toxins in food chainsWord searchCrossword

B11 Genetics and evolutionWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 8 lessons, a word search and a crossword each

• 1. VariationWord searchCrossword
• 2. Continuous or discontinuous?Word searchCrossword
• 3. HeredityWord searchCrossword
• 4. Chromosomes, genes and DNAWord searchCrossword
• 5. The DNA storyWord searchCrossword
• 6. Natural selectionWord searchCrossword
• 7. ExtinctionWord searchCrossword
• 8. Biodiversity and gene banksWord searchCrossword

Chemistry

C1 Particles and states of matterWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 7 lessons, a word search and a crossword each

• 1. Solids, liquids and gasesWord searchCrossword
• 2. The particle modelWord searchCrossword
• 3. Changes of stateWord searchCrossword
• 4. Energy and changes of stateWord searchCrossword
• 5. Gas pressureWord searchCrossword
• 6. DiffusionWord searchCrossword
• 7. DensityWord searchCrossword

C2 Elements, atoms and compoundsWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 5 lessons, a word search and a crossword each

• 1. Atoms and elementsWord searchCrossword
• 2. Chemical symbolsWord searchCrossword
• 3. CompoundsWord searchCrossword
• 4. Chemical formulaeWord searchCrossword
• 5. Elements, compounds and mixturesWord searchCrossword

C3 Separating mixturesWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 8 lessons, a word search and a crossword each

• 1. Pure substances and mixturesWord searchCrossword
• 2. DissolvingWord searchCrossword
• 3. SolubilityWord searchCrossword
• 4. FiltrationWord searchCrossword
• 5. Evaporation and crystallisationWord searchCrossword
• 6. DistillationWord searchCrossword
• 7. ChromatographyWord searchCrossword
• 8. Choosing a methodWord searchCrossword

C4 The periodic tableWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 6 lessons, a word search and a crossword each

• 1. Metals and non-metalsWord searchCrossword
• 2. Organising the elementsWord searchCrossword
• 3. Reading the periodic tableWord searchCrossword
• 4. Group 1: the alkali metalsWord searchCrossword
• 5. Group 7 and Group 0Word searchCrossword
• 6. Predicting from patternsWord searchCrossword

C5 Chemical reactionsWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 8 lessons, a word search and a crossword each

• 1. Physical and chemical changesWord searchCrossword
• 2. Atoms rearrangeWord searchCrossword
• 3. Word equationsWord searchCrossword
• 4. Conservation of massWord searchCrossword
• 5. CombustionWord searchCrossword
• 6. Thermal decompositionWord searchCrossword
• 7. Exothermic and endothermicWord searchCrossword
• 8. CatalystsWord searchCrossword

C6 Acids and alkalisWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 7 lessons, a word search and a crossword each

• 1. Acids and alkalis around usWord searchCrossword
• 2. IndicatorsWord searchCrossword
• 3. The pH scaleWord searchCrossword
• 4. NeutralisationWord searchCrossword
• 5. Making a saltWord searchCrossword
• 6. Acids and metalsWord searchCrossword
• 7. Using neutralisationWord searchCrossword

C7 Metals and reactivityWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 6 lessons, a word search and a crossword each

• 1. Metals and oxygenWord searchCrossword
• 2. Metals with water and acidsWord searchCrossword
• 3. The reactivity seriesWord searchCrossword
• 4. Displacement reactionsWord searchCrossword
• 5. Extracting metalsWord searchCrossword
• 6. Ceramics, polymers and compositesWord searchCrossword

C8 Earth and atmosphereWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 7 lessons, a word search and a crossword each

• 1. Inside the EarthWord searchCrossword
• 2. Three types of rockWord searchCrossword
• 3. The rock cycleWord searchCrossword
• 4. The atmosphereWord searchCrossword
• 5. The carbon cycleWord searchCrossword
• 6. Climate changeWord searchCrossword
• 7. Resources and recyclingWord searchCrossword

Physics

P1 ForcesWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 7 lessons, a word search and a crossword each

• 1. What forces doWord searchCrossword
• 2. Contact and non-contact forcesWord searchCrossword
• 3. Force diagramsWord searchCrossword
• 4. Balanced and unbalanced forcesWord searchCrossword
• 5. FrictionWord searchCrossword
• 6. Air and water resistanceWord searchCrossword
• 7. Forces and motionWord searchCrossword

P2 Speed and motionWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 4 lessons, a word search and a crossword each

• 1. SpeedWord searchCrossword
• 2. Calculating speedWord searchCrossword
• 3. Distance-time graphsWord searchCrossword
• 4. Relative motionWord searchCrossword

P3 Gravity and spaceWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 6 lessons, a word search and a crossword each

• 1. Mass and weightWord searchCrossword
• 2. Calculating weightWord searchCrossword
• 3. Gravity and orbitsWord searchCrossword
• 4. The Sun, stars and galaxiesWord searchCrossword
• 5. Days, years and seasonsWord searchCrossword
• 6. Light yearsWord searchCrossword

P4 Pressure, moments and stretchingWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 8 lessons, a word search and a crossword each

• 1. Pressure on surfacesWord searchCrossword
• 2. Pressure in liquidsWord searchCrossword
• 3. Floating and sinkingWord searchCrossword
• 4. Atmospheric pressureWord searchCrossword
• 5. Stretching springsWord searchCrossword
• 6. Turning forcesWord searchCrossword
• 7. BalancingWord searchCrossword
• 8. Work and simple machinesWord searchCrossword

P5 EnergyWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 9 lessons, a word search and a crossword each

• 1. Energy storesWord searchCrossword
• 2. Energy transfersWord searchCrossword
• 3. Conservation of energyWord searchCrossword
• 4. Energy in food and fuelsWord searchCrossword
• 5. Power and the cost of energyWord searchCrossword
• 6. Energy resourcesWord searchCrossword
• 7. Heating and temperatureWord searchCrossword
• 8. Conduction, convection and radiationWord searchCrossword
• 9. InsulationWord searchCrossword

P6 ElectricityWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 9 lessons, a word search and a crossword each

• 1. Electric currentWord searchCrossword
• 2. Circuit symbolsWord searchCrossword
• 3. Series circuitsWord searchCrossword
• 4. Parallel circuitsWord searchCrossword
• 5. Potential differenceWord searchCrossword
• 6. ResistanceWord searchCrossword
• 7. Conductors and insulatorsWord searchCrossword
• 8. Static electricityWord searchCrossword
• 9. Electric fieldsWord searchCrossword

P7 Magnets and electromagnetsWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 6 lessons, a word search and a crossword each

• 1. Magnetic polesWord searchCrossword
• 2. Magnetic fieldsWord searchCrossword
• 3. The Earth’s magnetismWord searchCrossword
• 4. ElectromagnetsWord searchCrossword
• 5. Stronger electromagnetsWord searchCrossword
• 6. Using electromagnetsWord searchCrossword

P8 SoundWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 7 lessons, a word search and a crossword each

• 1. WavesWord searchCrossword
• 2. Making soundWord searchCrossword
• 3. The speed of soundWord searchCrossword
• 4. Loudness and pitchWord searchCrossword
• 5. EchoesWord searchCrossword
• 6. HearingWord searchCrossword
• 7. Using soundWord searchCrossword

P9 LightWord searchCrosswordPuzzle booklet (PDF)

Lesson puzzles: 7 lessons, a word search and a crossword each

• 1. How light travelsWord searchCrossword
• 2. ReflectionWord searchCrossword
• 3. RefractionWord searchCrossword
• 4. Lenses and the eyeWord searchCrossword
• 5. Colour and prismsWord searchCrossword
• 6. Coloured objects and filtersWord searchCrossword
• 7. Light and materialsWord searchCrossword