Practical: Making fossil traces https://www.youtube.com/watch?v=_-qHS09whCk
· to gain understanding of how scientists find fossils, view videos:
Caves and Fossils [3.09]
Paleo Prospectors [4.05]
· to identify what fossils can tell us:
º view video How do we know what colour dinosaurs were? [4.24]
3. describe the technique of relative dating.
4. explain what an index fossil is.
5. interpret rock strata diagrams to conclude the relative age of rocks.
7. solve problems relating to the age of fossils
Puzzle 1:
Tom is younger than Rose, but older than Will and Jack, in that order. Rose is younger than Susie, but older than Jack. Jack is younger than Jim. Susie is older than Rose, but younger than Jim. Jim is older than Tom. Who is the eldest?
Puzzle 2:
Alex is younger than Cody. Brook is older than Alex. Cody is younger than Dusty. Dusty is older than Alex. How old is Alex
Puzzle 3:
Mary is 2 years older than Ed, and 3 years ago Mary was twice as old as Ed. Find their present ages.
What advantages and disadvantages does Method 1 (Puzzles 1 and 2) have?
What advantages and disadvantages does Method 2 (Puzzle 3) have?
TASK 1.8
How fossils are dated [4.04]
º What advantages and disadvantages does each method have as it applies to fossils?
º Make notes on correlation, index fossils and fluorine analysis from Tx pp59-61