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30 questions
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  • Q1

    Study of the properties and applications of  different materials. 

    materials science 

    ecology 

    properties 

    biology 

    45s
  • Q2

    Rubber is made from the milky juice of rubber trees called _____.

    pulps 

    timbre 

    ores 

    latex

    45s
  • Q3

    It is a combinations of two or more metals tat result in improved property of the metal. 

    timbre 

    ores 

    polymers 

    alloys 

    45s
  • Q4

    Ceramics are made of clay shaped int desired forms and hardened in a high-temperature oven called _____.

    bioceramics 

    ores 

    bronze 

    kiln 

    45s
  • Q5

    The tendency of liquid to vaporize. 

    flammable 

    phenols 

    combustible 

    volatility 

    45s
  • Q6

    Combustible materials are less volatile and have a higher range of temperatures to ignite.

    true
    false
    True or False
    45s
  • Q7

    A ____involves chemical reactions that cause new substances or products to be formed. 

    material science 

    chemical change 

    physical change 

    flammable materials 

    45s
  • Q8

    It is a chemical reaction that requires fuel, a supply of oxygen gas, and a source of heat to set fire or ignite fuel. 

    chemical change 

    rusting

    burning 

    oxidation 

    45s
  • Q9

    Caused by the chemical reaction between the metal and the moisture in the air. 

    burning 

    melting 

    oxidation 

    rusting 

    45s
  • Q10

    An observable changes in the appearance or property of an object without the object changing into a new substance. 

    physical change 

    flammable materials 

    chemical change 

    oxidation 

    45s
  • Q11

    _____is a change of the phase of matter from  liquid to gas. 

    vaporization 

    deposition 

    sublimation 

    condensation 

    45s
  • Q12

    _____is a change of the phase of matter from  solid turns into a liquid. 

    melting 

    sublimation 

    deposition 

    solidification 

    45s
  • Q13

    Liquid substances may turn into solid by ______them.

    freezing 

    boiling

    sublimation 

    melting

    45s
  • Q14

    The ______could potentially pollute the rivers, streams, and groundwater.

    leechate

    laechate 

    litchate 

    leachate 

    45s
  • Q15

    To ____means to take energy or materials from wastes that can no longer be of use. 

    recover 

    repair

    recycle 

    reduce 

    45s

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