Junior Cycle Science Videos & explanations

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Videos & explanations

Short, topic-matched Cognito resources to use alongside your notes.


Measurement and density

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Motion, speed and acceleration

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Forces, weight and pressure

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Energy and conservation

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Heat, light and sound

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Electricity and circuits

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Power and energy devices

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Technology and electricity choices

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Particles and states of matter

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Atoms, elements and compounds

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The periodic table and formulae

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Mixtures and separation

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Properties of materials

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Chemical reactions and rates

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Acids, bases and pH

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Energy changes in reactions

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Materials and sustainability

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The Universe and our Solar System

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Planets, seasons and the Moon

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The water and carbon cycles

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Energy resources and climate

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Cells and living things

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Inheritance and variation

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Evolution and natural selection

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Digestion and nutrition

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Breathing and gas exchange

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The heart and circulation

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Health and microbes

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Habitats and adaptations

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Food webs and ecosystems

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Photosynthesis and respiration

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Human reproduction

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Biodiversity and food production

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External KS3/GCSE explanations support the Irish course; they do not define its scope. Videos open on the provider’s website.

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