hidden polar bear

My class took a field trip to the Smithsonian Museum of Natural History late last month to review for the upcoming Standards of Learning assessments. The kids had a blast running around the museum, checking off boxes on their scavenger hunts. I had a blast capturing their fun from afar with my Nikon.
(ISO 1600, f/5.6, 1/25s)

on my belly, part deux

I crawled, kneeled, and squatted for many of these tiny flowers.
(ISO 100, f/4.5, 1/160s, 4x macro filter @55mm)

like white on rice

On a paper plate in a snowstorm. This was as close as I got to the vision in my head. Thoughts?
(ISO 100, f/1.8, 1/4000s)