Year 3 Science Light lesson: identify light sources and understand that darkness is the absence of light. Includes editable PowerPoint and two worksheets. Introduce your Year 3 pupils to the science of light with this complete, ready-to-teach lesson featuring Max the Meerkat in his science lab coat. Children learn that we need light in order to see, explore a range of natural and artificial light sources, and understand that darkness is the absence of light rather than something that is produced. This resource includes: • An engaging, editable PowerPoint presentation • A main worksheet • An adapted worksheet with additional scaffolding • Retrieval practice • A clear learning intention and steps to success • Key scientific vocabulary supported by images • Child-friendly explanations of light and darkness • Examples of different light sources • Knowledge-check questions • Independent and deeper-understanding activities • Teacher notes on the final slide The adapted worksheet covers the same scientific learning while providing additional structure and support, making the lesson suitable for a mixed-attainment Year 3 classroom. National Curriculum link: Recognise that pupils need light in order to see things and that dark is the absence of light. Ideal for Year 3 Science, Lower KS2, the Light topic, lesson observations, supply teaching or teachers looking for a complete differentiated lesson with minimal preparation.