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DO NOW! 12/2 (A) & 12/3 (B)

DO NOW! 12/2 (A) & 12/3 (B). Read page D-18 in the science book. Make a SJ entry D38 Beneath Earth’s Surface. Copy the layers of Earth we will discuss today into your SJ entry for D38. The words are: crust m antle o uter core i nner core. Date: 12/2 (A) & 12/3 (B)

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DO NOW! 12/2 (A) & 12/3 (B)

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  1. DO NOW! 12/2 (A) & 12/3 (B) • Read page D-18 in the science book. • Make a SJ entry D38 Beneath Earth’s Surface. • Copy the layers of Earth we will discuss today into your SJ entry for D38. The words are: • crust • mantle • outer core • inner core

  2. Date: 12/2 (A) & 12/3 (B) Outcome: Gather and analyze evidence-based explanations regarding the constructive and destructive forces on Earth. Question: How do forces inside Earth and on the surface build, destroy and change Earth’s crust? Activities: Do NOW! Read page D-18. SJ entry D38. Vocab words. Group Read D38 Beneath the Earth’s Surface Student Sheet 38.2a assigned as AQ 3 (scaled drawing of layers of Earth) Homework: D38 AQ 3 on SS 38.2a, if not finished in class

  3. 3. Answer Parts a–h to create a scaled drawing of the earth’s layers on Student Sheet 38.2. You must color in the different layers. a. How far is it to the center of the earth in kilometers (km)? Record this distance on Student Sheet 38.2. b. Use a ruler to measure and record the distance from earth’s surface to its center in centimeters (cm). c. How many kilometers will a single centimeter represent? This is called a scale. Calculate and record your scale. Hint: You will need to divide the distance to the center of the earth in kilometers (km) by the scale. d. Record the lowest depth of each earth layer in kilometers. e. Use your scale and a calculator to determine the scaled depth of each earth layer in centimeters. f. Use a ruler to measure the depth of each layer, starting from the earth’s surface. Draw a circle at each depth. Hint: After drawing the other layers, sketch the approximate location of the crust. g. Label each layer with its name, state, and temperature. h. Label the lithosphere. Be sure to record its actual depth in km.

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