Grade 7 Science Second semester will cover: Introduction to scientific research Natural, earth, life, and applied science lessons Research extension activities Key word definitions Reference Material Reference Material Section 1 Frozen in Time Various Theories on Climate Change Causes El Niño: Stirring Up Trouble Around the World Catastrophe from El Niño Mountain Mayhem Avalanches in Action Flowing Underground All About Aquifers Everything Falls Apart Erosion Timelapse Example Section 2 Crystal Clear Rock or Mineral? It Begins with a Bang Questions That Science Can’t Answer Earth’s Closest Neighbor More About the Moon The Martian Question Extremophiles Copycats Basics of How Cloning Works Where Art and Science Meet Section 3 How does etching work? Buildings in the Clouds The New York City Skyline Focusing on the History of Eyeglasses How Eyeglasses Work The Instruments of Weather Science How a Barometer Works The Power of Music Building a Ferrofluid Bluetooth Speaker The Future’s Calling How Cell Phones Work Section 4 Riding the Information Superhighway History of the Internet Fission versus Fusion Seeing Fission and Fusion in Action Say Cheese Brain Food Looking for Alternatives A Safe Place Learning to Coexist Fire Power Living Way, Way Down Under Section 5 Acid in the Sky From Zero to Six Billion in the Blink of an Eye Full of Energy The Ever-Expanding Universe Renaissance Man Medical Moments that Made History Woman of the Trees Watson and Crick: Unlocking the Secrets of DNA Lighter Than Air Exploring the Top of the World Science’s Modern Mysteries