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Q4 review

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    qualities of materials
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  • What kind of material do we need for a raincoat?
    Metal because it is shiny.
    Wood because it is opaque
    Paper because it is light.
    Plastic because it is waterproof.
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  • What material do we use to make a backpack?
    cloth because it is light.
    Glass because it is transparent.
    Rock because it is strong.
    wood because it is stiff.
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  • A sponge is ..........
    absorbent
    conducting
    opaque
    waterproof
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  • Rainboots are ........
    waterproof
    tranparent
    conducting
    heaavy
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  • metal is: nuocdgtnic
    conducting
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  • can you name 3 opaque materials?
    plastic, metal, wood, cotton,
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  • this material is: nsiltgauin
    insulating
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  • An umbrella is absorbent.
    false
    true
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  • name 1 material that is insulating
    wood, plastic, rubber, cardboard, cloth
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  • name one material that is conducting
    metal, cement, some rocks,
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  • Why are oven mitts NOT made out of metal?
    Metal is too heavy
    Metal is insulating
    Metal is conducting and gets too hot
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  • What do ice-cream and plastic toys have in common?
    they are always liquid
    they cant melt
    they are both cold
    they can both be melted into any shape
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  • Why was it easier to make plastic toys instead of wooden toys?
    Plastic doesn’t need to be carved (cut) by hand.
    Plastic can be painted different colors.
    Plastic doesn’t grow in the ground.
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  • Why are so many toys made out of plastic?
    A lot of toys are made out of plastic because…
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  • what properties will clothing have when it is hot outside?
    opaque, breathable, absorbent, light
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  • what properties will clothing have when it is cold outside?
    heat trapping, not breathable, waterproof,
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