Name Date Class Chapter 1 PAGE KEELEY SCIENCE PROBES Meteorite Impact A meteorite is a solid object that comes from space, passes through our atmosphere, and lands on Earth If a large meteorite were to strike Earth today, where would it most likely fall? Circle your prediction A land B ice C ocean D freshwater Explain your thinking What reasoning did you use to make your prediction? Copyright Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc 38 Earth s Layers
Name Date Class Chapter 1 1 The Practice of Science 3 The Role of Theories, Laws, Hypotheses, and Models 6 Earth Structures THINK ABOUT IT! How is Earth structured? Before You Read Before you read the chapter, think about what you know about the structure of Earth Record your thoughts in the first column Pair with a partner and discuss his or her thoughts Write those thoughts in the second column Then record what you both would like to share with the class in the third column Think Pair Share Copyright Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc Chapter Vocabulary Lesson 1 Lesson 2 Lesson 3 sphere geosphere gravity density crust mantle lithosphere asthenosphere core magnetosphere REVIEW observation landform plain plateau mountain ACADEMIC feature Study Guide Chapter Review Benchmark Practice Earth s Layers 39
Lesson 1 Spherical Earth LA7223, MA6A36, SC7E64, SC7N13, SC7N11 Skim or scan the heading, boldfaced words, and pictures in the lesson Identify or predict three facts you will learn from the lesson Discuss your thoughts with a classmate Describing Earth I found this on page Draw Earth as seen from space I found this on page Compare Earth systems Then explain how these systems work together Atmosphere Biosphere Description: Description: Description: the solid part of Earth Earth s four systems exchange provides oxygen, the The Description: and provides the water, and the provides the organisms in the biosphere a place to live and elements needed for their survival Copyright Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc 40 Earth s Layers
Lesson 1 Spherical Earth (continued) How did Earth form? I found this on page Model the strength of gravitational force between two objects Draw arrows of different thicknesses to indicate the strength of the gravitational force exerted by the objects in each pair NGSSS Check How did Earth develop its spherical shape? SC7E64 A B Object A has a greater mass than Object B Copyright Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc I found this on page C Objects C and D have the same mass Sequence the early events in the formation of the solar system A cloud of gas, ice, and dust called a The disk began to and the materials in the middle became, pulled the materials closer together our Sun,, The nebula and flattened into a Gravity pulled the remaining bits of material together, forming D Study Guide Chapter Review Benchmark Practice Earth s Layers 41
Lesson 1 Spherical Earth (continued) I found this on page Sequence the events that formed early Earth The newly formed Earth grew became soft enough to Gravity pulled in the irregular bumps, and enough to generate The Formation of Earth s Layers I found this on page I found this on page Draw and label the geosphere Use these terms: least dense middle layer most dense Organize information about how the layers of the geosphere formed The densest material The least dense material The materials with intermediate densities Apply what you have learned about the formation of Earth to describe how gravity influenced the formation of the planet Mars Copyright Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc 42 Earth s Layers