Caddisfly larvae build protective cases using materials found in their environment. Artist Hubert Duprat supplied them with gold leaf and precious stones. This is what they created. Don't know whether to pin this in Animals, or Art!
Smithsonian Institution lesson plans in History, Art, Science, Language Arts and Social Studies. Search for lesson plans by subject or grade. Smithsonian educational materials emphasize inquiry-based learning with primary sources and museum collections.