Science
Waves, Light & Sound
Conceptual
6–8 yrs
Light & Seeing in the Dark
光与黑暗中的视觉
Description
Observe that objects in darkness can be seen only when illuminated by a light source
Mastery Evidence
- Explain that we need light to see objects — without any light source, it is completely dark
- Describe an observation showing objects become visible only when light reaches them
- Distinguish between light sources (sun, torch, lamp) and objects that just reflect light
Assessment Prompt
If you go into a completely dark room with your child, can they explain why they can't see anything until a torch is switched on?