science exam cards

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Anonymous
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8342
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science exam cards
Updated:
2010-02-27 13:13:02
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exam questions
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  1. the mesurement of how much matter is in an object
    mass
  2. the mesurement of how much space an object takes up
    volume
  3. the mesurement of how much mass contained in a given volume is
    density
  4. the mass of an object is mesured by a ?
    tripple beam balance
  5. density of wood volume 50 cubic centimeters mass 100 grams is
    2 g/cm3
  6. in which state of matter are particles in a fixed position vibrating in place?
    a solid
  7. which state of matter are particles allowed to move but remain close?q
    liquid
  8. which property of metals led to the use of plastic handles on cooking untenicils
    conductivity
  9. which change in state describes a removeal of energy from fluid particles until there positions become fixed
    freezing
  10. if a chemical reaction takes place in a closed system such as a zip block bag and the bag feels cool during the reaction this is an example of ?
    endothermic reaction
  11. fireworks exploding in the sky and going off light are an example of ?
    exothermic rection
  12. a chemical reaction that asorbes energy in the form of heat is described as
    endothermic
  13. what happens when chemical bonds break and new bonds form?
    energy is released of asorbed
  14. the boiling pointof a liquid is
    phyiscal property
  15. if you describe methane as a gas that easily catches fire you you are describing
    chemical
  16. substances that CANNOT be broken down chemicaly into substances are called
    elements
  17. all elements are composed of extremley small particles called
    atoms

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