trivia

How did the element strontium--also known by the symbol SR and the atomic number 38--get its name?
A: From Strontian, the Scottish mining village in which it was discovered

Geologic Time Review

Do Now:
Write 3 good test questions on geologic time, include your answers to the questions.

Today in class we:
- Reviewed geologic time material

Homework:
Geologic Time Review handout - Due at the test on Monday

Study session:
Students can come early on Monday morning for a study session in Rm 411 from 7:15 to 7:45. Bring questions and material you want to review

Mesozoic and Cenozoic Eras

* While the 7th and 8th graders are participating in the ITBS Testing, regular class schedules will be slightly interrupted. Classes will resume normal schedule on Monday, Oct 29th.

Do Now:
List all the eras of the phanerozoic eon. For each era list all of the periods from oldest to most recent. Describe two events that took place during each of these periods

In class we:
- Discussed the Mesozoic and Cenozoic Eras (see PPT link to download this lecture)
- Worked in groups to design geologic time review cards

Homework:
Bring a completed set of review cards with you to the next class

Paleozoic Era

Do Now:
What main event occured between the Proterozoic and Cambrian Periods?
List the periods of the Paleozoic Era

Today in class we:
- Finished discussion of the Paleozoic Era (see ppt link on sidebar)
- Began presentations of geologic time travel brochures

Phanerozoic Eon: Paleozoic Era

Today in class we:
Took quiz on PreCambrian Eon
Turned in review work and Geologic Time Brochures

Discussed the begining of the Paleozoic Era: Cambrian, Ordivician, Silurian periods

Homework due Wednesday:
pg 137: Math Analyzing Data # 1-4
pg 145: #1 a-c

PreCambrian Eon

Do Now: Put the following events in order from oldest to most recent and label each with its appropriate Era.
- 1st mass extinction
- 1st atmosphere
- oceans form
- first stable continents
- 2nd atmosphere
- bacteria and archaea dominate
- photosynthetic bacteria evolve
- formation of the solar system


Today in class:
- Reviewed Precambrian eon
- Reviewed relative and absolute time
- Discussed theories for the formation of the moon

Homework:
Due Monday, October 8th
- Precambrian Eon Quiz Review
- Geologic Time Travel Brochure

Monday - Quiz on Precambrian Eon, Geologic Time Scales, Relative vs. Absolute Age

PreCambrian Eon

Today in class we:
- Worked in groups on Precambrian Eon jigsaw readings
- Presented findings on Hadean, Archaean, and Proterozoic Eras

Homework:
- Work on geologic time travel brochures - Due Monday


September 27th:

In class:
Created graph organizer for geologic time unit
Began working in groups on jigsaw reading: Hadean, Archaean, or Proterozoic Era

Homework:
Read pgs 131-133: Answer questions 1-3 on pg 133