Light and Shadows resources
Physics, grade 8. Notes, worksheets, videos, interactive tools and revision materials for this chapter.
Notes
Study notes
The chapter's lessons are the notes — read them in order, then use the resources below.
01Sources of LightNaming natural and artificial light sources, from the Sun to light bulbs.Read lesson →02Light Travels StraightLearning that light travels in straight lines and cannot bend around corners.Read lesson →03How Shadows FormSeeing how an opaque object blocks light to make a shadow.Read lesson →04Changing ShadowsInvestigating how moving a light or object makes shadows grow, shrink and move.Read lesson →
Worksheets
Practice worksheet
Attempt every question before revealing the answer — that struggle is where learning happens.
Practice questions live inside each lesson — work through them there, then return for revision.
Videos
Watch and learn
Hand-picked searches to find a clear video explanation of each lesson.
Revision
Revision checklist
Can you explain each of these out loud, without looking? If not, re-read that lesson.
- Sources of Light: Naming natural and artificial light sources, from the Sun to light bulbs.
- Light Travels Straight: Learning that light travels in straight lines and cannot bend around corners.
- How Shadows Form: Seeing how an opaque object blocks light to make a shadow.
- Changing Shadows: Investigating how moving a light or object makes shadows grow, shrink and move.
- Read each lesson's summary and re-do its practice questions from memory.