Earth science lab relative dating 2

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Plus, get practice tests, quizzes, and personalized coaching to help you succeed.Free 5-day trial Discover how geologists study the layers in sedimentary rock to establish relative age.Teaching about Earth's history is a challenge for all teachers.Time factors of millions and billions of years is difficult even for adults to comprehend.

The study of fossils and the exploration of what they tell scientists about past climates and environments on Earth can be an interesting study for students of all ages.

For a fossil to be a good index fossil, it needs to have lived during one specific time period, be easy to identify and have been abundant and found in many places. If you find ammonites in a rock in the South Island and also in a rock in the North Island, you can say that both rocks are Mesozoic.

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As a general note, the Do Now serves a few purposes: After the Do Now, I show them a picture of the Obama family and give them a minute to discuss the question - "Can you sort all of the people in this picture from oldest to youngest?

" After 30 - 60 seconds, we come back together and discuss, where I solicit a few responses.

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