Smelly particles, wilted veggies, and growing jellies! The Curious Crew explores diffusion and osmosis using tea bags, scented balloons, and jelly marbles. STEM Challenge: Make a Reed Diffuser. Curious About Careers: Ornithologist Pam Rasmussen.
Saguaro National Park receives about 10 inches of rain a year, but has some of the highest biodiversity in North American. Learn how plants and animals are adapted to a hot and dry environment.