Rocks mineral and fossil power point

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Ga. Third Grade practice with questions from the standards.

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Rocks mineral and fossil power point

  1. 1. Twenty Questions Subject: Minerals, Rocks, and Fossils
  2. 2. Twenty Questions 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
  3. 3. 1. What is a mineral? <ul><li>A mineral is a solid, formed by nature, and has never been alive. </li></ul>
  4. 4. 2. Name two examples of minerals. <ul><li>Gold, graphite, diamonds, chalk, corundum, quartz, emerald, ruby, etc. </li></ul>
  5. 5. 3. What are the three properties of minerals? <ul><li>Hardness, color, and shape. </li></ul>
  6. 6. 4. Name two ways we use minerals. <ul><li>When we pick up a glass </li></ul><ul><li>When we pour salt on our food </li></ul><ul><li>When we use a pencil to write </li></ul><ul><li>When we eat </li></ul><ul><li>For airplanes, buildings, and washing machines </li></ul><ul><li>Jewelry and money </li></ul>
  7. 7. 5. What is a rock? <ul><li>A rock is a mineral. Some are made of just one mineral while others are made of many minerals. </li></ul>
  8. 8. 6. What would you find if you cut open the earth? <ul><li>The crust on the outside is solid. </li></ul><ul><li>The mantle is under the crust and is so hot that some rocks have nearly melted, and are soft like taffy. </li></ul>
  9. 9. 7. Name the three types of rocks. <ul><li>Igneous </li></ul><ul><li>Sedimentary rock </li></ul><ul><li>Metamorphic </li></ul>
  10. 10. 8. What do we call the process in which rocks change from one type to another? <ul><li>The rock cycle. </li></ul>
  11. 11. 9. How do people use rocks? <ul><li>Video games </li></ul><ul><li>Computers </li></ul><ul><li>Satellites </li></ul><ul><li>Microwave ovens </li></ul><ul><li>Jewelry </li></ul><ul><li>Roads that are paved </li></ul><ul><li>Buildings </li></ul><ul><li>Statues </li></ul>
  12. 12. 10. What forces cause metamorphic rocks to form? <ul><li>Heat and pressure </li></ul><ul><li>Time is also needed </li></ul>
  13. 13. 11. What type of rock forms in layers? <ul><li>Sedimentary rock </li></ul>
  14. 14. 12. What are fossils? <ul><li>A fossil is something that has lasted from living things that died long ago. </li></ul>
  15. 15. 13. What is a mold? <ul><li>The shape of a plant or animal left in sediments when the rock formed. </li></ul>
  16. 16. 14. What is a cast? <ul><li>A cast forms when mud or minerals fill a mold. </li></ul>
  17. 17. 15. What is an imprint? <ul><li>Molds of leaves or other thin objects. Some are of animals parts decomposed long ago. </li></ul>
  18. 18. 16. What do fossils have to do with dinosaurs? <ul><li>They show how dinosaurs lived. </li></ul>
  19. 19. 17. How do fossils show how dinosaurs lived? <ul><li>The teeth show what they eat. </li></ul><ul><li>The skeletons show their size. </li></ul><ul><li>Where you find fossils indicate where dinosaurs lived. </li></ul>
  20. 20. 18. What causes sedimentary rock to form? <ul><li>Water flows or wind blows, carrying sediment. It piles up in layers and eventually forms rock. </li></ul>
  21. 21. <ul><li>Which item is made of graphite? A. Cars B. Pencils C. Buildings D. Ships </li></ul><ul><li>B. Pencil </li></ul>
  22. 22. 20. Name the two types of rock that you are least likely to find fossils. <ul><li>Metamorphic </li></ul><ul><li>Igneous </li></ul>

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