Sources of light, recognise that light travels in a straight...

Quick preparation

• identify sources of light, recognise that light travels in a straight path and describe how shadows are formed and light can be reflected and…
• distinguishing between natural (such as glow worms, the sun and stars) and artificial (such as light bulbs or candles) sources of light
• investigating the shadows that are formed when light is completely or partially blocked by an object, such as when using a sundial or shadow puppets