Eras & Periods

Crissy August 6th, 2005

Objectives:

• To discover how long ago dinosaurs lived.
• To discover what a time line is.
• To discover the difference between eras and periods.
• To discover the era of the dinosaurs.
• To discover the periods of the dinosaurs.
• To discover the era of today.

Procedure:

• Discussion of time line.
• Use example of a student’s life on board (date of birth through present day), label any special events student had.
• Discuss that Earth has a time line.
• Introduce Earth’s time line on board (starting date through present day).
• Divide into 2 eras (Mesozoic & Cenozoic) and the Mesozoic into 3 periods (Triassic, Jurassic, & Cretaceous), include dates.
• Compare time line of Earth to calendar to summarize.

Materials/Resources:

• The Magic School Bus In the Time of the Dinosaurs by Joann Cole.

Entry Filed under: Lessons, Dinosaur Lessons