Page 6 - Science Course 1 (Book 2)

TABLE OF CONTENTS

The Earth’s Atmosphere 100
a. What is the Origin of Earth’s Atmosphere? 100
b. What Makes Up the Earth’s Atmosphere? 102
c. What are the Layers of the Atmosphere? 103
Earth’s Atmosphere: Energy Transfer 111
a. How is Energy Transferred in the Atmosphere? 111
b. How is Air Circulation Created? 115
Air Currents 122
a. What are Air Currents? 122
b. What are the Main Wind Belts on Earth? 124
Air Pollution 131
a. What is Air Pollution? 131
b. Why Do We Monitor Air Quality? 134

Module 10 Weather and Climate

The Earth’s Weather 142
a. What is Weather? 142
Weather Patterns 150
a. What Inf uences Weather? 150
b. What is a Weather Front? 152
c. What are Some Examples of Severe Weather? 154
Weather Instruments 160
a. How Do We Predict Weather? 160
The Earth’s Climate 167
a. What is Climate? 167
b. What are the Factors Affecting Climate? 169
The Changing Earth’s Climate 175
a. How has Climate Changed? 175
b. Why Does Earth Have Seasons? 178
c. What are Other Short-Term Climate Changes? 179
Climate Change 185
a. How Do Human Activities Affect Climate? 185
b. How Do We Predict Future Climate? 188
Human Impact on the Environment 194
a. How Do Humans Affect the Environment? 194

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