Definition relative dating method
Since this card has a common letter with the first card, it must go on top of the TC card.
The fossils represented by the letters on this card are younger than the T or C fossils on the TC card and indicates fossils in the oldest rock layer. When done you should have a vertical stack of cards with the top card representing the youngest fossils of this rock sequence and the TC card at the bottom of the stack indicating the oldest fossils.
Figure A gives some background information on the individual fossils.
Teaching about Earths history is a challenge for all teachers.
The idea of millions and billions of years is difficult for children and adults to comprehend.
(Means, Chelemer, and Knapp, Teaching Advanced Skills to at Risk Students: Jossey-Bass 1991) Virtually every teacher has acquired some semblance of training in this highly effective method (cooperative learning), estimates are that only about 10 percent of teachers use cooperative learning.
One of the simplest forms of cooperative learninghaving students occasionally work in pairs to ensure each others understanding of difficult concepts can be expected to bring immediate effects especially among low-achievers.
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Use this information to sequence the cards in a vertical stack of fossils in rock strata.