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Science Junior Cert Quiz

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  • 12-06-2013 5:42pm
    #1
    Lost In Confusion
    Registered Users Posts: 575 ✭✭✭


    Okay so you all know how this goes now... I'll start


    What is a fulcrum?


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    #2
    MmmPancakes
    Registered Users Posts: 712 ✭✭✭MmmPancakes


    Lost In Confusion wrote: »
    Okay so you all know how this goes now... I'll start


    What is a fulcrum?

    A point around which a lever rotates

    What is the equation for limewater?


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    #3
    sotisme
    Registered Users Posts: 453 ✭✭sotisme


    Lost In Confusion wrote: »
    Okay so you all know how this goes now... I'll start


    What is a fulcrum?

    A fixed point in which the lever is free to turn about

    What is static electricity?


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    #4
    sotisme
    Registered Users Posts: 453 ✭✭sotisme


    MmmPancakes wrote: »
    A point around which a lever rotates

    What is the equation for limewater?

    Ca(OH)^2 + CO^2

    What is static electricity?


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    #5
    sotisme
    Registered Users Posts: 453 ✭✭sotisme


    Lost In Confusion wrote: »
    Na(OH)2 I think, and it turns milky in the presence of Co2

    What is interdependence?

    Interdependence is when organisms depend on each others existance for survival

    What is static electricity


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    #6
    MmmPancakes
    Registered Users Posts: 712 ✭✭✭MmmPancakes


    sotisme wrote: »
    A fixed point in which the lever is free to turn about

    What is static electricity?

    m8 answer my question r ill box ur head in sware on me mum


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    #7
    sotisme
    Registered Users Posts: 453 ✭✭sotisme


    MmmPancakes wrote: »
    m8 answer my question r ill box ur head in sware on me mum

    I did


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    #8
    Lost In Confusion
    Registered Users Posts: 575 ✭✭✭Lost In Confusion


    sotisme wrote: »
    Interdependence is when organisms depend on each others existance for survival

    What is static electricity

    static electricity is what? tell me please


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    #9
    sotisme
    Registered Users Posts: 453 ✭✭sotisme


    Lost In Confusion wrote: »
    static electricity is what? tell me please

    Haha im not sure thats why i asked it i think its something along the lines of:
    Static electricity is the build up of charge in an object after it loses or gains electrons

    Not sure though :(

    What is a zygote?


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    #10
    Masterful Sponge
    Registered Users Posts: 14 ✭Masterful Sponge


    A zygote is a cell formed when a male and female gamete fuse together

    Prob not the actual definition but I think that's more or less it


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    #11
    enutrofnnelle
    Registered Users Posts: 7 ✭enutrofnnelle


    here are some paper questions Give one effect of global warming.


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    #12
    Lost In Confusion
    Registered Users Posts: 575 ✭✭✭Lost In Confusion


    enutrofnnelle wrote: »
    here are some paper questions Give one effect of global warming.

    Global warming is the heating of the earth. It can result in flooding


    Name a vertebrate


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    #13
    SuperMattDude
    Registered Users Posts: 16 ✭SuperMattDude


    hhuman


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    #14
    SuperMattDude
    Registered Users Posts: 16 ✭SuperMattDude


    Complete the equation 2HCI - Caco3 -


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    #15
    tr0llface
    Registered Users Posts: 252 ✭✭tr0llface


    not sure if this is right but
    2HCL + Caco3 - Cacl2 = h20 + co2

    what is kinetic energy


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    #16
    Mary A
    Closed Accounts Posts: 149 ✭✭Mary A


    tr0llface wrote: »
    not sure if this is right but
    2HCL + Caco3 - Cacl2 = h20 + co2

    what is kinetic energy

    The energy possessed by a body because of its motion, equal to one half the mass of the body times the square of its speed

    what's a molecule ?


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    #17
    Lost In Confusion
    Registered Users Posts: 575 ✭✭✭Lost In Confusion


    Mary A wrote: »
    The energy possessed by a body because of its motion, equal to one half the mass of the body times the square of its speed

    what's a molecule ?

    one or two atoms chemically combined?

    What is an element?


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    #18
    cfc.forever
    Closed Accounts Posts: 286 ✭✭cfc.forever


    An element is something which cannot be broken down by chemical means?

    If something has a PH Scale of 7, what does that mean?


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    #19
    Lost In Confusion
    Registered Users Posts: 575 ✭✭✭Lost In Confusion


    cfc.forever wrote: »
    An element is something which cannot be broken down by chemical means?

    If something has a PH Scale of 7, what does that mean?

    it is neutral it isn't an acid or a base.

    What is an everyday acid?


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    #20
    Mary A
    Closed Accounts Posts: 149 ✭✭Mary A


    Lost In Confusion wrote: »
    one or two atoms chemically combined?

    What is an element?

    a molecule is a group of atoms joined together. it is the smallest particle of an element or compound that can exist independently .

    an element is a substance that cannot be spilt up into smaller substances by chemical means.

    whats is an ionic bond ?


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    #21
    Lost In Confusion
    Registered Users Posts: 575 ✭✭✭Lost In Confusion


    Mary A wrote: »
    a molecule is a group of atoms joined together. it is the smallest particle of an element or compound that can exist independently .

    an element is a substance that cannot be spilt up into smaller substances by chemical means.

    whats is an ionic bond ?

    the force of attraction with oppositely charged atoms in a compound

    what is pressure?


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    #22
    SuperMattDude
    Registered Users Posts: 16 ✭SuperMattDude


    force
    Area What are the differences between a plant and a animal cell


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    #23
    Lost In Confusion
    Registered Users Posts: 575 ✭✭✭Lost In Confusion


    SuperMattDude wrote: »
    force
    Area What are the differences between a plant and a animal cell

    Force is the pressure acting on a unit of area

    Animal Cell
    No cell wall
    no vacuole
    no chlorophyll
    Plant cell
    Vacuole present
    cell wall
    chlorophyll

    What is an element


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    #24
    Maxzdz
    Registered Users Posts: 3 ✭Maxzdz


    Animal cells have no cell wall yet plant ones do.
    Animal cells have no chloroplasts while plant ones do.

    What is Electrolysis?

    (p.s my first post :3 )


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    #25
    Niallh98
    Registered Users Posts: 4 ✭Niallh98


    What is Hooke's law?


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    #26
    Cr4pSnip3r
    Registered Users Posts: 792 ✭✭✭Cr4pSnip3r


    This thread is off the hooke.


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    #27
    Maxzdz
    Registered Users Posts: 3 ✭Maxzdz


    Niallh98 wrote: »
    What is Hooke's law?

    Hooke's laws states the extension of a spiral spring is directly proportional to the force applied to it.

    What are genes?


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