Teach changing shadow size with a clear, visual Year 3 science video lesson. This video lesson helps pupils understand how shadow size changes in a simple and engaging way. Students learn that the distance between the light source, object, and surface can change how large or small the shadow appears. The video is designed to support classroom teaching, review, re-teaching, independent viewing, or science centers during a Light and Shadows unit. This resource is useful when you want a ready-to-us