Rocks change over millions of years. vs. Rocks stop changing once they harden., Granite forms underground. vs. Granite forms only on mountaintops., Marble was once limestone. vs. Marble was once lava., Heat changes rocks. vs. Rain changes rocks into marble overnight., The rock cycle never stops. vs. The rock cycle ended long ago., Footprints can become fossils. vs. Only bones become fossils., Plants can become fossils. vs. Only dinosaurs leave fossils., Fossils form underground. vs. Fossils grow like crystals., Fossils reveal Earth's history. vs. Fossils predict the future., Most fossils are in sedimentary rocks. vs. Most fossils are inside volcanoes., Some volcanoes erupt gently. vs. Every volcano explodes., Lava creates new land. vs. Lava disappears into the sea., Volcanic ash can help plants grow. vs. Volcanic ash kills all plants forever., Volcanoes can be monitored. vs. Volcanoes erupt without any warning signs., People live near volcanoes. vs. No one lives near volcanoes., Heavy rain can cause landslides. vs. Sunny weather causes landslides., Trees help hold soil. vs. Trees make hills weaker., Mining can increase landslide risk. vs. Mining prevents landslides., Landslides can happen on gentle slopes. vs. Only steep cliffs have landslides., Earthquakes can trigger landslides. vs. Wind causes most landslides., Phones contain mined minerals. vs. Phones are made from recycled plastic only., Some mines recycle water. vs. Mines always waste water., Land can be restored after mining. vs. Mining land can never recover., Electric mining trucks exist. vs. Mining trucks run on coal., Mining provides everyday materials. vs. Mining is only for gold., Recycling reduces mining. vs. Recycling replaces mining completely., Forests reduce landslides. vs. Forests increase landslides., Nature can recover with care. vs. Nature never recovers after mining., Clean mining is possible. vs. Clean mining is impossible., Technology can protect nature. vs. Technology always harms nature., Mountains are still growing. vs. Mountains stopped growing long ago., Continents slowly move. vs. Continents never move., The Earth is always changing. vs. The Earth never changes., New islands can form from volcanoes. vs. Islands can never grow bigger., Earth has moving tectonic plates. vs. Earth's crust is one solid piece.

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