Question 1

1.CCC Scale, Proportion, and Quantity: A tree trunk  makes a ring each year that it grows. Look at the photograph in your book about how this tree is?

Accepted Answer

16 years

Answer

18 years

Question 2

2.CCC Cause and Effect: Predict how temperature and precipitation affect tree growth.

Accepted Answer

Wider rings in year of warmer weather and more precipitation.

Answer

Wider rings in year of cold  weather and less precipitation

Question 3

4.Discuss  How can you use tree rings to learn about the climate of an area.

Accepted Answer

If the tree has thick rings ,the area has warm and wet climate.

Answer

If the tree has thin rings ,the area has warm and wet climate.

Question 4

5.SEP Explain:  How could scientists use tree rings to study changes in an area?

Accepted Answer

Look at the width of rings to decide the change in temperature.

Answer

Only age of tree.

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