Either it’s Earth Day or robot tournaments: your choice.
It’s Little House on the Prairie time at Sunnyvale’s Full Circle Farm, where Earth Day is celebrated with cheese-making, gardening and composting demos, and natural cooking. There’s even a show-off session from a beekeeper: do I smell honey?
When: Sun., 4/19, 10am-2pm; All ages; Free.
Where: Full Circle Farm, 1055 Dunford Way (at Quail Avenue), Sunnyvale, fullcirclesunnyvale.org.
Cal Day at UC Berkeley
The university opens itself up, and how, to the public for a day of demos, concerts, sports matches, and a zillion other events in the school’s classrooms, stadium, and theaters. There are dozens of events aimed at kids, including pottery, science experiments, and robot tournaments. Oh, and all the museums on campus are free.
When: Sat., 4/18, 9am-4pm; Age 3+; Free.
Where: Various locations on the campus of the University of California, University Avenue (at Oxford Street), Berkeley, 510-642-6000, berkeley.edu.
Earth Day on the Bay
Paddle in a canoe, touch plankton, catch fish, meet some marine mammals, or take a boat ride around our beautiful, freezing bay.
When: Sat., 4/18, 8am-5pm; Age 2+; Free ($20 for boat ride and riders must be 5 and over).
Where: Marine Science Institute, Cardinal Way (at Saginaw Street), Redwood City, 650-364-2760; sfbaymsi.org.
Explore Stop-Motion with Pixar Animators
Animators Dan Mason and Tim Hittle are the star attractions at this one-hour workshop that shows kids how still objects can be manipulated to produce moving images. Advance reservations are recommended.
When: Sun., 4/19, 2-3pm; Age 8-12; Free with museum admission ($8-10).
Where: Zeum, 221 Fourth Street (at Howard Street), 415-820-3320, zeum.org.


