Supporting the teaching of Earth sciences at all levels
EARTH SCIENCE TEACHERS’ ASSOCIATION
This section includes updates of exercises originally available in earlier publications of ESTA and the Association of Teachers of Geology (the precursor of ESTA). Each of the items in ‘Blasts from the Past’ details information about the source of the original published item and includes a copy of the updated exercise or activity and any additional material to extend the activity.
BLASTS from the PAST

1.

Age relations:

 

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   2. The Search for Celtic Sea Oil:

 

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   3. Geology of Roadstone:

 

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4. The living fossil:

5. A stratigraphy problem

6. Georiddle

 

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7. A Cambrian detective story

8. The determination of the

    mode of life of trilobites

9. The length of geological

     time

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