The Earth beneath Your Feet Before You Read Hiking Up Old Rag Mountain Section 1: Weathering and Erosion Section 2: Earth's Plates Reading a Newspaper Article Earthquake Strikes Barn， Iran After You Read Glossary
Our Changing Planet Before You Read Rafting through Marble Canyon Section 1: What Are Weathering and Erosion?. Section 2: Plate Movement Reading a Newspaper Article Mount St. Helens Erupts After You Read Glossary
Earth's Changing-Surface Before You Read Standing on a Fault Section 1: Earth's Shifting Plates Reading a Newspaper Article Geographo Lessons Pay Off during Tsunami Section 2: Rocks， Weathering， and Erosion. After You Read Glossary
It's Shocking！ Before You Read Benjamin Franklin's Kite Section l: Moving Charges Using a Web Site Why Are Atoms Important? Section 2: Conductors and Insulators Section 3: Electricity Makes Things Work. After You Read Glossary
Power lt Up！ Before You Read On the Right Track Section 1: Static Electricity Section 2: Current Electricity Using a Web Site Electricity Travels In Circuits After You Read Glossary
What Is Electricitg? Before You Read A Bright Idea Section 1: Electrical Charges Section 2: Current Electricity Section 3: Magnets and Electricity Using a Web Site How Magnets Behave After You Read Glossary
