3 games from the Light & Shadows simulation: Light Source or Not?, See-through Sort, Make the Shadow. Each one has a Warm up, Explorer and Expert level.
Does it make its own light? Drag each card into the right group – or tap a group. You have 2 tries for each one.
Transparent, translucent or opaque? Drag each card into the right group – or tap a group. You have 2 tries for each one.
Think about shadows. Read the question, think, then tap your answer. You have 2 tries for each one.