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I learned that the earth is approximatly 4.5 billion years old

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I learned that the earth is approximatly 4.5 billion years old

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I learned that the earth is approximately (4.5  billion.  We can not know for sure how old earth is but we can measure time by counting rings in a tree.With help of a microscopes  rocks can show layers that help track the years.

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I learned that the earth is almost like billions of years old.I also learned that you can use a coin to see how old things are like what jeremy said.The last thing that i learned is the oldest tree is 4,000 years old.

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I learned that you can count how many rings are in a tree to see how many years the trees have been alive. The tree is like a calendar. The oldest tree has 4,000 rings. Sand is laid down in layers.  - Jayla

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i learned that there is many ways of telling hoe old the earth is like using tress like how jeremy said and using rocks

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i learned that earth is about 4,500 million years old. The scientist use trees and rocks to prove it. You can find stuff like coins from long ago to see how old are stuff on earth.

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Tell me 3 things you learned about the earth. Take notes in your notebook to be able to give me 3 complete sentences.

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Voting for this episode is now closed. Would you like to vote on the most recent poll?

I pulled three questions from my jar. Which question do you want to explore next week?

How are pencils made?

-Emiliano, 2nd Grade

Why do we sweat when we play sports?

-Aditya, 4th Grade

How is glass made?

-Benjamin, Kindergarten

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Voting for this episode is now closed. Would you like to vote on the most recent poll? I pulled three questions from my jar. Which question do you want to explore next week? How are pencils made? -Emiliano, 2nd Grade Why do we sweat when we play sports?