Science

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Author:
pbasso
ID:
48819
Filename:
Science
Updated:
2010-11-10 21:01:50
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Description:
Test Chapter 3 Review
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  1. Melting is an example of a physical change.

    True or False
    True
  2. Shape is a chemical property.


    True or False
    False
  3. Physical properties include:

    color, shape, length and mass

    True or False
    True
  4. When an ice cube melts its shape stays the same.


    True or False
    False
  5. Malleability is described by the ability of metals to be hammered into sheets

    True or False
    True
  6. is a physical property

    A. rusting
    B. flammability
    C.combustibility
    D. density
    D. density
    (this multiple choice question has been scrambled)
  7. The melting point of silver is a

    A. chemical change
    B. chemical property
    C. physical property
    D. physical change
    C. physical change
    (this multiple choice question has been scrambled)
  8. Look on the periodic chart:

    What is the atomic number for the element MO?
    How Many protons does the element MO have?
    42

    42
  9. Looking at your periodic table, how many groups of families of elements are on the table?
    18
  10. Looking at your periodic table how many periods of elements are on the table?
    7
  11. Looking at your periodic table, circle three elements classified as metals?
  12. Draw triangles around three elements that are classified as metalloids
  13. Place the following terms in the correct order from simplest to most complex.

    molecule, element, atom, compound
    Atom, element, molecule, compound
  14. Physical property is:
    a) amount of mass a material has for a given volume

    b) any characteristic of a material that can be observed or measured without changing the identity of the material
    B) Any characteristic of a material that can be observed or measured without changing the identity of the material.
  15. Matter is:

    A) anything that takes up space
    B)temperature at which a solid becomes a liquid
    A) Anything that takes up space
  16. What is a physical change?

    a) temperature at which a substance in a liquid form becomes a gas
    b)change in which the properties of a substance change but the identity of the substance always remains the same.
    B) Change in which the properties of a substance change but the identity of the substance always remains the same.
  17. Density is:

    A)amount of mass a material has for a given volume
    B)anything that has mass and takes up space
    A) amount of mass a material has for a given volume
  18. What is the states of matter?

    a)property that is dependent on temperature and pressure an occurs in 4 forms, solid, liquid, gas and plasma
    b)anything that has mass and takes up space
    A) property that is dependent on temperature and pressure an occurs in 4 forms:

    solids, liquids, gas and plasma
  19. What is melting point?

    a. Temperature at which a solid becomes a liquid
    b. temperature at which a substance in a liquid form becomes a gas
    A. Temperature at which a solid becomes a liquid
  20. What is boiling point?

    a. temperature at which a substance in a liquid form becomes a gas
    b. temperature at which a solid becomes a liquid
    a. temperature at which a substance in a liquid form becomes a gas
  21. List five examples of physical properties....
    • color
    • shape
    • size
    • volume
    • length
  22. How would you find the density of an object? Hint formula...
    mass divided by volume equals mass over volume
  23. List four states of matter and an example of each.
    • solid/steak
    • liquid/gasoline
    • gas/oxygen
    • plasma/suns surface
  24. Molecules that are tightly packed together, form what state of matter?
    solid
  25. Molecules that slide past each other forms what state of matter?
    Liquids
  26. The state of matter is a physical property is dependent on

    hint: 2 things
    temperature and pressure
  27. If you have a log

    List 2 physical properties

    Name a way you can physically change the item
    • Size
    • Shape

    Cut the log
  28. Red Popsicle

    List two physical properties:
    How can you physically change it?
    • color
    • shape

    melting it
  29. What are the five chemical properties of matter?
    • reacts with flame
    • reacts with light
    • reacts with oxygen
    • reactsw with acid
    • flammible to burn Check in your book pages 84-88
  30. In a chemical change the properties of a substance change and something new forms?


    True or False
    True
  31. What is the difference between a physical change and chemical change?
    A physical change may change how a substance looks, but the properties of the substance still remain the same. A chemical change causes the properties of a substance to change and something new forms.
  32. Physical or Chemical Change

    Dissolving sugar in coffee
    physical change
  33. Physical or Chemical Change

    Letting a nail rust
    Chemical change
  34. Making Co2 by mixing vinegar with baking soda

    Physical or chemical change
    Chemical change
  35. Mowing the lawn each week

    Physical or Chemical Change
    Physical change
  36. Adding food coloring to water

    Physical or Chemical change
    Physical change
  37. When something goes from a solid to a liquid it:

    melts
    boils
    condenses
    freezes
    melts

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