![Lyell Saddle Hut - a hiking shelter in a New Zealand forest.](http://static.sciencelearn.org.nz/images/images/000/003/978/full/ACT_01_Investigating_shadows_HouseLackLight_MASTER.jpg?1674172682)
A shadow is the relative absence of light. The shadows of tree branches appear as dark patches on the hut and its surroundings.
A shadow is the relative absence of light. The shadows of tree branches appear as dark patches on the hut and its surroundings.