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Explore the fascinating world of geology with our guide on rocks and minerals. Learn about the three main types of rocks—igneous, sedimentary, and metamorphic. Discover the characteristics that define these rocks, such as their formation processes and examples, including granite, limestone, and gneiss. Delve into mineral properties like hardness, streak, and cleavage. Whether you’re a student or an enthusiast, this overview provides essential insights into geology and the scientists who study these natural wonders.
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Twenty Questions Subject: Science
1. What is a solid material made up of one or more minerals? • rock
2. Which type of igneous rock forms when melted rock cools quickly at the Earth’s surface? • obsidian
3. Name 3 examples of igneous rock. • Granite, basalt, obsidian
4. Molten rock becomes igneous rock when molten rock: • cools and hardens
5. Stone Mountain is the world’s largest piece of granite. What type of rock is granite? • igneous
6. Which type of rock forms when sand, particles of rock, bits of soil, and bits of once living things are pressed together and harden? • Sedimentary rock
7. Which type of rock forms when existing rocks are changed by heat, pressure, or chemicals beneath the Earth’s surface? • Metamorphic rock
8. What type of rock is limestone? • Sedimentary rock
9. Gneiss, is what type of rock? • metamorphic
10. Sand, bits of rock, and the remains of once living things are called: • sediment
11. What are the three types of rock? • Igneous, sedimentary, metamorphic
12. Name two examples of metamorphic rock. • Gneiss and Marble
13. Which mineral is the hardest? • diamond
15. Which property tells you how easily a mineral can be scratched? • hardness
16. What are three examples of sedimentary rock? • Conglomerate, limestone, shale
17. What is the name of the scientist who studies rocks and minerals? • geologist
18. The color of a mineral when it is grounded to a powder is called its: • streak
19. If a mineral splits easily along flat surfaces, it is said to have: • cleavage
20. What type of mineral is shiny and reflects light the way a metal does? • Metallic mineral