Icon Buscar juegos
Icon Crear Crear
Jugar Froggy Jumps
    • 1. The properties of materials describe...
    A
    the perception we have of them.
    B
    their behaviour when subjected to external forces.
    C
    their qualities and characteristics.
    2. Mechanical properties relate to...
    A
    material´s behaviour when subjected to stress and loads.
    B
    material´s behaviour when subjected to heat.
    C
    the impact the material have on the environment.
    3. Thermal properties relate to...
    A
    material´s behaviour when subjected to stress and loads.
    B
    material´s behaviour when subjected to heat.
    C
    the impact the material have on the environment.
    4. Environmental properties relate to...
    A
    material´s behaviour when subjected to stress and loads.
    B
    material´s behaviour when subjected to heat.
    C
    the impact the material have on the environment.
    5. Hardness, brittleness, mechanical resistance, elasticity, toughness and plasticity are...
    A
    thermal properties
    B
    mechanical properties
    C
    environmental properties
    6. Expansion and thermal conductivity are...
    A
    thermal properties
    B
    mechanical properties
    C
    environmental properties
    7. Toxicity, reciclability, environmental hazard and biodegradability are...
    A
    thermal properties
    B
    mechanical properties
    C
    environmental properties
    8. To break easily without being deformed hardly is known as...
    A
    Toughness
    B
    Hardness
    C
    Brittleness
    9. To return to its original form after being deformed is known as...
    A
    Toughness
    B
    Elasticity
    C
    Brittleness
    10. The resistance to be pierced or scratched by another body is known as...
    A
    Hardness
    B
    Elasticity
    C
    Brittleness
    11. The resistance to forces applied whitout breaking or changing shape is known as...
    A
    Hardness
    B
    Elasticity
    C
    Mechanical resistance
    12. The resistance to be changed, deformed or broken is known as...
    A
    Hardness
    B
    Toughness
    C
    Mechanical resistance
    13. To become permanently deformed whitout breaking, once the elastic limit has been exceeded, is known as...
    A
    Hardness
    B
    Toughness
    C
    Plasticity
    14. The increase in size when the temperature rise is known as...
    A
    Expansion
    B
    Thermal property
    C
    Thermal conductivity
    15. The ability to transmit heat is known as...
    A
    Expansion
    B
    Thermal property
    C
    Thermal conductivity
    16. Toxicity means...
    A
    The level of toxic effect a contaminant has on an ecosystem.
    B
    How strong a poison or toxin is.
    C
    the ability of a material to naturally decompose.
    17. Biodegradability means...
    A
    The level of toxic effect a contaminant has on an ecosystem.
    B
    How strong a poison or toxin is.
    C
    the ability of a material to naturally decompose.
    18. Environmental hazard means...
    A
    The level of toxic effect a contaminant has on an ecosystem.
    B
    How strong a poison or toxin is.
    C
    the ability of a material to naturally decompose.
    19. Recyclability means...
    A
    The possibility of reusing a material for the same purpose it was created or for a different one.
    B
    How strong a poison or toxin is.
    C
    the ability of a material to naturally decompose.