Cosmic History Timeline Cards

in All Printables, Cards, Montessori, Science, Timelines

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Timeline of Life Cards

Click on hyperlinks above and below to get all of the images.  I didn’t upload all the pictures to the blog, but you can get them all in the pdf links.

Clock of Eras Cards

*All images from Kentucky Geological Society.

To use this material:

  1. Print out all of the clocks and cut apart, leaving the labels in tact.
  2. Place the clocks in order and number the backs in sharpie.
  3. Print all of the time period images and label sheet.
  4. Cut apart all labels, but keep the names attached to the images.
  5. Turn over the images and write the time period on the back.  (It’s the file name)
  6. On the back of the time period labels, write the ERA: Hadean, Archaen, etc.
You have several options:
  • Have the child line up the clocks in order and check his work by looking at the numbers on the back.
  • Have the child place period labels underneath the clock images in the correct order and check the backs.
  • Eliminate the Pre-Cambrian images from the stack and have the child place the rest under the correct period label.
  • Include the Pre-Cambrian images and have the child create the whole set-up: clocks, time periods, and images under the right clock or label.

{ 5 comments… read them below or add one }

1 Lois Tschaepe August 23, 2014

I just found your website. Thank you for the beautiful timeline of the earth cards and clock of the eras! I am going to be telling the “great stories” to my 6 year old soon.


2 admin August 23, 2014



3 Jessica Allen December 31, 2013

Thank you so much for offering these free-of-charge…they are wonderful. We are not strictly Montessori — but rather, we use an organic, ‘homegrown’ curriculum.


Cattails & Cobwebs


4 Deb @ Living Montessori Now September 20, 2012

Thanks so much for sharing these! They’re wonderful … and so helpful for new Montessori elementary homeschoolers! Thanks for linking up with Montessori Monday. I featured your post as the Free Printable of the Day at the Living Montessori Now Facebook page:


5 Lauren Jones September 17, 2012

These look really nice- thanks for sharing them.


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