Present motion sequence of animals eating other animals. Explain how animals put other animals in danger. Present motion sequences of oil pollution and oil tanker blowing up and discuss with class. Pass out examples of Message in a Bottle found on WWW to students and discuss how they can take steps to improve our environment. Have students, in groups of two, write a message concerning how to protect our endangered marine habitat to place in a class bottle.
Students show their pictures, read their message to the class, and the class discusses the message.
The teacher places the message in the class bottle. The teacher publishes the messages on the web for the students and other to see.