9th Grade Science Finals pt.1

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Author:
darius_moore
ID:
253780
Filename:
9th Grade Science Finals pt.1
Updated:
2013-12-18 19:02:03
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Earth Systems
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Part 1
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  1. Wich of the following is NOT one of the main areas of Earth science?
    • A- astrology
    • b-astronomy
    • c-geology  
    • d-oceanography
  2. The Smallest particle of an element that still retains all the elements properties is a(n)?
    Atom
  3. An atom that loses or gains electrons is called a(n)?
    Ion
  4. Isotopes of the same element differ in the number of?
    Neutrons
  5. The area of Earth science that examines the physical and biological changes that have occurred in earths past is called?
    Historical geology
  6. when two or more elements bond together in definite proportions, they form a(n)?
    Compound
  7. Earths four major spheres are the _____.
    hydrosphere,atmosphere,geosphere, and biosphere
  8. Which subatomic particles are most involved in chemical bonding?
    Electrons
  9. In scientific inquiry, when competing hypotheses have been eliminated, a hypothesis may be elevated to the status of a scientific _____.
    theory
  10. What type of chemical bond forms between positive and negative ions?
    Ionic
  11. The life-forms of the biosphere are located in the ______.
    atmosphere, hydrosphere, and geosphere
  12. Atoms containing the same numbers of protons and different numbers of neutrons are _____.
    compounds
  13. A scientific hypothesis can become a theory if ______.
    the hypothesis is tested extensively and competing hypotheses are eliminated
  14. The mass number of an atom is obtained by totaling the number of ______.
    protons and neutrons
  15. The central region of an atom is called the _____.
    Nucleus
  16. If the atomic number of an atom is 6 and its mass number is 14, how many neutrons are contained in the nucleus?
    8
  17. What is the study of the atmosphere and the processes that produce weather and climate?
    meteorology
  18. Which of the following statements about the chemical combination of atoms to form compounds is NOT true?
    Compounds form when atoms are less stable in a combined form
  19. An atom of the isotope chlorine-39 consist of how many protons, neutrons, and electrons?
    17p, 22n, 17e,
  20. Which of earth's spheres includes the oceans, groundwater, lakes, and glaciers?
    The hydrosphere

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