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Investigating Mock Rocks

Investigation 1 Part 1. Investigating Mock Rocks. Today you are going to be geologists . Geologists are scientists who study planet Earth. One thing that a geologist studies about Earth is its rocks. Rocks are among the materials that make up Earth. Geology. -ology means “the study of”

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Investigating Mock Rocks

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  1. Investigation 1 Part 1 Investigating Mock Rocks

  2. Today you are going to be geologists. Geologists are scientists who study planet Earth. One thing that a geologist studies about Earth is its rocks. Rocks are among the materials that make up Earth. Geology

  3. -ology means “the study of” • -ologist means “a person who studies” • Ento- means “insects” • Bio- means “life” • Geo- means “earth” • If we put two word parts together, we get new words. Entomology- the study of insects Entomologist- a person who studies insects What other words could we make? Let’s look at these word parts:

  4. Geologists make detailed observations of the rocks they want to study. They start with observations, because when they test the rock, the rock is usually changed in some way, and geologists want to be able to compare the change with the rock before the test. Rock Properties

  5. What are the properties a geologist might use to describe rocks? Remember: Properties are things like texture, color, shape,size, mass or weight, smell, and other things.

  6. The science tools we will use with our mock rocks are: • Hand lens • Meter tape • Balances and mass sets (if available) We will be working on pages 2 and 3 in our “Earth Materials” Notebook Tools and Notebooks

  7. Today we will be observing Mock Rocks. These are simulated rocks (not real). When you get your mock rock keep it in one piece for our activities today. Your challenge is to describe your Mock Rock in detail in your journal. Be specific in your description so that later, if the mock rock changes in any way, you will have a record to refer to. Mock Rocks

  8. Notebook Page 2 • For notebook page 2 we will: • Make surface observations. You will sketch (draw) or trace the rock on the grid and write your observations. • Make magnified observations. You will draw a magnified view of a small part of your rock in the circle.

  9. Review Vocabulary: • Diameter is the distance across a circular object • Circumference is the distance around a circular object • Depth is how thick an object is Notebook Page 3 circumference diameter depth

  10. Review Using Meter Tape

  11. Each team of 4 students will be divided into pairs. • The team getter will collect the materials for both pairs in his group. • Materials needed for 2 pairs: • 2 paper plates • 2 mock rocks • 1 set of measuring tools • Colored pencils or crayons Student Teams

  12. Complete notebook pages 2 and 3 • Remember to be as detailed as possible Pause to observe mock rocks. Begin Observations

  13. Review properties of mock rocks How did using the hand lens help you see more detail? Share your work. Compare Observations

  14. Display mock rocks on a table. Pairs trade Earth Materials notebooks to see if they can identify mock rocks using each other’s notes. Discuss what notes helped identify the right mock rock, and tell what additional notes would have helped. Retrieve your mock rock and add details to your notes to improve your data. Using our Data

  15. What are some of the tools scientists use to study rocks? What information does each tool provide? What kind of information is important to include in notes? How is a mock rock like/different from a real rock? How would you study a real rock? Reflective Questions

  16. Put materials back on the science table. • Clean desk/observation area. Materials Return

  17. What words would you suggest we add to a word bank? Starting a Word Bank

  18. Geology- the scientific study of Earth’s history and structure Geologist- a person who studies the Earth and the materials of which it is made Property- something you can observe, such as size, color, shape, or texture Additional Word Bank Words

  19. Circumference- the distance around a circular object Diameter- the distance across a circular object Depth- is how thick an object is from top to bottom Dimensions Vocabulary

  20. Meter tape- measures linear dimensions Balance- measures mass Weigh- using a balance to determine an objects mass Measurement Tools Vocabulary

  21. What properties can help us tell one rock from another? Content / Inquiry Chart • How can you tell your mock rock from another rock? • Why do geologists try to look carefully at the different properties? • How can we make comparisons of the different sizes of rocks?

  22. Read the story called “Written in Stone” page 1-4 in Earth Materials Reader. “Written in Stone”

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