My Science Box

Time
2 hours at Point Bonita Lighthouse
10 minutes travel to Rodeo Beach
2 hours at Rodeo Beach and Lagoon
travel time to and from Marin Headlands varies

45-50 minutes back in classroom the following day to discuss, review, and consolidate field observations

Grouping
Whole class - preferably no more than 32 students on the trip at a time. For some activities, student divide into groups of 3-4 for discussion.

Materials

• Small, lunch-sized ice chest
• Ice
• 2-3 cups of water
• Clear plastic cup
• Magic Shell® or other quick-hardening chocolate topping for ice cream
• Hand lenses to observe radiolaria fossils
• 1 package Oreo Cookies® or Nutter Butters®
• Raised relief or shaded relief map of California (available from Hubbard Scientific and American Educational Products, $35.75 (http://amep.com/detail_maps.asp?cid=2255)

Setting
Marin Headlands, part