September 23, 2010

Enjoying Earth Science

Christian Kids Explore Earth And SpaceThis year, our two daughters are studying earth and space science.  Our oldest daughter is using Christian Kids Explore Earth and Space, by Stephanie L. Redmond, and we couldn't be more pleased.  The informative text of each lesson is just long enough to create interest and the hands on activities are fun for the child and parent.  Here's a brief photographic tour of our oldest daughter's two most recent earth models.

A 3-D Model of Earth 
To show all the layers of the earth form the core to the crust,
she was instructed to form a small sphere of black clay for the core. 
Then, each layer was rolled out
and placed over the gradually enlarging sphere.

Adding another layer to the sphere

Rolling out another layer

The crust was added last. 
She used blue and green clay to depict land and water.

Completed model of earth

Next, she used dental floss to cut the model in half. 
She was able to see the layers of earth very clearly.

From core to crust

Plate Tectonics Demonstration

Tuesday, she completed the second earth model. 
This time she was directed to use an egg. 
I boiled it, and allowed it to cool. 
Then, my daughter rolled the egg on a counter top to crack the shell. 

She observed how the shell remained on the egg, but was broken. 
In places, the shell was raised, lowered, and overlapped. 
This was to demonstrate the plate tectonic theory she had just researched.

Today, I am linking-up with The Homeschool Village.  The topic this week is science.
To see what others are sharing, click here.


  1. Those both seem perfect ways to demonstrate the earth and all its inner goodness!

  2. these are great - CLEAN - experiments! Thanks Dorie so much for sharing with us and linking up today!

    The HSV

  3. I like these! I just discovered your blog through the HSV and look forward to following you!

  4. Oh wow!! I love both of these!! We have a co-op class doing earth science this year and I'm definitely sharing the first one with them. Fabulous! Thank you for sharing these.

  5. I love your clay model of the earth! That is a great illustration! What kind of clay did you use~modeling clay? I may try this when we are on our chapter about Earth. Thanks for sharing!

  6. Wow!! Love the clay model and the egg (plate tectonic demo)! How awesome is that? My kids love anything that deals for clay/hands-on... Thank you for sharing! ;0)

  7. How fun! We did some similar things last year when we were studying the earth. It's such a blessing to find many ways to make things concrete.

    You have a lovely blog, and it's great to meet you!

  8. I love the model of the earth! I'm looking for new science curriculum for next year. Thanks for sharing yours!



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