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?