Students will be able to describe an observed event. Students will be able to collect data using thermometers. Students will be able to arrange data into a graph and describe what is happening. Students will be able to explain new knowledge gained about global warming through the observations made during the activity.
Motivation Read a children s book that deals with the topic of global warming .
Discuss what a greenhouse is, what are commonly found in greenhouses, and why greenhouses are used. Wrap up the discussion and talk about how scientists are viewing the earth as a type of greenhouse. Continue by stating it is like putting the earth into a big glass cooker, where heat is trapped and the air inside gets hotter and stuffier. Conclude the presentation by grouping students in groups of four. Once the students have grouped themselves, instruct the class that they will be testing this theory by performing an activity.