Our Planet—Earth How can you describe Earth? Before You Read Before you read the chapter, think about what you know about the planet Earth. Record three things that you already know about Earth in the first column. Then write three things that you would like to learn about in the second column. Complete the final column of the chart when you have finished the chapter.
biosphere atmosphere hydrosphere groundwater geosphere mineral rock
water cycle evaporation transpiration condensation precipitation weather climate rock cycle uplift
REVIEW freshwater
ACADEMIC process
Our Planet—Earth
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Lesson 1
Earth Systems
Scan Lesson 1. Read the lesson titles and bold words. Look at the pictures. Identify three facts you discovered about Earth systems. Record your facts in your Science Journal.
Differentiate materials that make up Earth’s 4 systems.
What is Earth? I found this on page
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Contents of Earth Systems
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The Atmosphere I found this on page
Describe the composition of the biosphere.
Characterize the composition of the atmosphere. .
Part of the Atmosphere
Details (in dry air)
78% 21%
Other contents
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Detail the layers of the atmosphere. Provide one detail for each bullet in the table below.