Science & Nature

From Stardust to Dinosaurs to Today: The Geologic Time Scale

In this first lesson of the Let's Explore Earth series, students will embark on a scientific journey from the formation of the Earth to the present day, learning about the history of life on Earth through the Geologic Time Scale!
265 total reviews for this teacher
40 reviews for this class
Completed by 195 learners
  There are no upcoming classes.

50 minutes

per class

Meets once


year olds


learners per class

per learner

How does aOne-Timeclass work?

Meets once at a scheduled time
Live video chat, recorded and monitored for safety and quality
Great for exploring new interests and different styles of teachers

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Class Experience

Students will learn about the main Eras and Periods of the Geologic Time Scale, including their names and approximate times in history. Students will understand how the Earth was likely formed, and the process of how different life forms evolved throughout time. They will gain an understanding of the chronological timeline of Earth's past, and understand that humans evolved only very recently. Students will also use their new knowledge to make predictions about what Earth may look like in the far future.
There is no homework for this class.
 1 file available upon enrollment
One handout will be provided to students to be used throughout the class. If desired, they may also bring paper to take any additional notes, although this is not required.
50 minutes per week in class, and maybe some time outside of class.
Students and parents are offered unlimited web access to the lecture slides.


Annette Chatzikonstantinou (she/they)
Lives in Canada
B.ScH, B.Ed, passionate about teaching science
265 total reviews
329 completed classes

About Me

Hello everyone! My name is Annette Chatzikonstantinou (or Ms. Annette, for short) and I'm a teacher from just outside of Toronto, Ontario, Canada.

I have both passion AND experience teaching a wide variety of science topics. I developed an... 
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