6to. grado Ciencias SAM HOUSTON MIDDLE SCHOOL

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Author:
claudiasruiz
ID:
135974
Filename:
6to. grado Ciencias SAM HOUSTON MIDDLE SCHOOL
Updated:
2012-02-17 09:35:13
Tags:
Examen Unidad Densidad Metales no metales metaloides Propiedades Fisicas de Minerales Cambios Quimicos
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Sam Houston Middle School
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  1. Which metal is liquid at room temperature?
    Mercury
  2. What is maleability?
    A metal can be bended or molded to a different form.
  3. Which of these three are NO CONDUCTOR of electricity? METAL, NON METALS OR METALOIDS?
    NON METALS
  4. Which of these can be attracted to a magnet? Iron, Plastic, Wood?
    IRON, of course
  5. These terms describe a physical property of a mineral: glassy, waxy, pearl and dull.
    LUSTER
  6. What scale do we use to help us determine the hardness of a mineral?
    MOHS scale
  7. What is fracture?
    The manner in which a mineral breaks along curved or irregular surfaces.
  8. What is streak?
    The color of the powder of a mineral.
  9. What is hardness?
    The measure of the ability of a mineral to resist scratching.
  10. A substance to be considered a mineral needs to be ________________
    naturally ocurring
  11. What is DUCTILITY?
    The ability to be drawn into a wire.
  12. Three physical properties of NON METALS are:
    • Low density
    • Poor conductors
    • Brittle
  13. Give me three examples of Physical properties:
    Volume, Color, and Density
  14. What metal can be attracted to a Magnet?
    Iron
  15. What lab tools can you used to identify the texture and magnetic properties of a mineral?
    Hand lense and a magnet
  16. If you want to measure different types of ball, what lab tools would you use?
    Meter stick and string
  17. Imagine yourself in the Lab, put in order the following lab rules: wash your hands, put away the material, wipe the tables
    • 1. Put away the material
    • 2. Wipe the tables
    • 3. Wash your hands
  18. Your teacher has giving you instructions about a lab activity. She has written the steps on each table, what is your next step to do?
    Read the steps of the experiment written on the table.
  19. Which of these physical properties of a mineral is INCORRECT?
    It has to be a compound, not an element.

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