Matter

Answer the questions below and then click "submit" to send your answers.


  1. Which of these is not an example of a chemical change?
  2. Links to reference material:
    http://www.geddescafe.com/sci.html

    Your answer:
    A burning candle
    A melting ice cube
    A cake baking in the oven
    A nail that is rusting


  3. All matter is made of _____
  4. Links to reference material:
    http://www.geddescafe.com/sci.html

    Your answer:
    Reactions
    Atoms
    Solutions
    Compounds



  5. What s going on in this picture?
  6. Links to reference material:
    http://www.geddescafe.com/sci.html

    Your answer:
    the molecule is freezing
    atoms are combining to make a molecule
    it is an element
    none of the above


  7. Skimmed milk is made by taking the fat off the top of milk. Making skimmed milk is an example of
  8. Links to reference material:
    http://www.geddescafe.com/sci.html

    Your answer:
    Using physical properties to separate a mixture
    Using chemical properties to separate a mixture
    Solubility
    Combustibility


  9. Which of these is an example of a chemical change
  10. Links to reference material:
    http://www.geddescafe.com/sci.html

    Your answer:
    chopped wood
    melting ice
    burning wood
    evaporated water from a puddle



  11. This bowl is filled with a mixture of sand and salt. What is the best way to separate the salt from the sand?
  12. Links to reference material:
    http://www.geddescafe.com/sci.html

    Your answer:
    Shake the bowl, then pour the mixture through a filter
    Add water, use a filter to drain the water into a glass, then let the water evaporate.
    It is impossible
    Drag a magnet through the mixture


  13. Sterling silver is a combination of silver and copper. Which of the following is also a combination of two or more metals? (hint: use your periodic table)
  14. Links to reference material:
    http://www.geddescafe.com/sci.html

    Your answer:
    Gold
    Brass
    Aluminum
    Lead


  15. A scientist needs to take a picture of the well-ordered arrangements of the atoms and molecules with in a substance. Which of the following instruments would be best for the scientist to use?
  16. Links to reference material:
    http://www.geddescafe.com/sci.html

    Your answer:
    A laser light with holograph
    An electron microscope
    A seismograph
    A stereoscope


  17. Helium, oxygen and hydrogen are grouped together in the same family because they are all ______
  18. Links to reference material:
    http://www.geddescafe.com/sci.html

    Your answer:
    Gases
    Metalloids
    Friends
    Metals



  19. These two boxes show molecules changing from ________
  20. Links to reference material:
    http://www.geddescafe.com/sci.html

    Your answer:
    Solid to gas
    Liquid to solid
    Liquid to gas
    Solid to liquid


  21. How can you change burnt paper back into its original form?
  22. Links to reference material:
    http://www.geddescafe.com/sci.html

    Your answer:
    you can t
    add water
    cool it
    heat it


  23. If something has the property of a liquid it ______
  24. Links to reference material:
    http://www.geddescafe.com/sci.html

    Your answer:
    Does not change shape easily
    Is invisible
    Takes the shape of its container
    The particles do not move very much


  25. Your pet needs a drink of water and all you have is muddy water. How do you separate the dirt from the water?
  26. Links to reference material:
    http://www.geddescafe.com/sci.html

    Your answer:
    evaporation
    magnet
    filter
    tongs


  27. How do you get the salt out of a salt water solution?
  28. Links to reference material:
    http://www.geddescafe.com/sci.html

    Your answer:
    use a hot plate
    use a filter
    use tongs
    use a funnel


  29. Will steam from salt water be salty?
  30. Links to reference material:
    http://www.geddescafe.com/sci.html

    Your answer:
    some will be salty
    yes
    no
    none of the above


  31. Helium, oxygen and hydrogen are all gasses. What property do they have?
  32. Links to reference material:
    http://www.geddescafe.com/sci.html

    Your answer:
    shiny
    colorless
    solid at room temperature
    good conductor


  33. Which elements are found in all living things?
  34. Your answer:
    silicon, gold, silver
    carbon, hydrogen, oxygen
    iron, sodium, helium
    manganese, oxygen, sodium


  35. Which is a property of NaCl?
  36. Links to reference material:
    http://www.geddescafe.com/sci.html

    Your answer:
    Solid at room temperature
    Corrodes
    Invisible
    Malleable


  37. Metals have certain properties in common. Which is not true of metals?
  38. Links to reference material:
    http://www.geddescafe.com/sci.html

    Your answer:
    They conduct heat
    They corrode
    They conduct electricity
    They are good insulators


  39. Which of these would be a good conductor of electricity?
  40. Links to reference material:
    http://www.geddescafe.com/sci.html

    Your answer:
    copper wire
    plastic spoon
    rubber band
    popsicle stick



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