1
Published in 1997
This report illustrates how dinosaurs may have become extinct as a result of an asteroid impact. Students will better understand the mass extinctions that have been part of the Earth's history. Included are templates for making two paper models, instructions for their assembly, and a discussion of a...
Grade Level   6 7 8 9 10 11 12
Classroom Activities Curricula and Instruction
Save to List
2
Chapter 5 focuses on Prehistoric Earth, geologic time, and early lifeforms on this planet.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
Classroom Activities Curricula and Instruction
Save to List
3
How do geologists understand the Earth’s history? In part, they measure the age of rocks and other natural materials by dating techniques. They can date rocks by gauging the amount of decay of radioactive elements. The time necessary for half of any given amount of one element (the “parent...
Grade Level   5 6 7 8 9
Classroom Activities Curricula and Instruction
Save to List
4
The age of fossils intrigues almost everyone. Students not only want to know how old a fossil is, but they want to know how that age was determined. Some very straightforward principles are used to determine the age of fossils. Students should be able to understand the principles and have that as a...
Grade Level   8 9
Classroom Activities Curricula and Instruction
Save to List
5
"This hands-on activity requires students to """"visit"""" different K-T boundary sites, evaluate the evidence at each site, find these sites on a map, and predict where the crater is located. It tests a diverse set of skills, including mapping, mathematical scaling, and interpretation of mixed...
Grade Level   6 7 8 9 10 11 12
Classroom Activities Curricula and Instruction
Save to List