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TECH Entry Test Review Questions 2A

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  • What is leather made from?
    Animal skin.
  • What kind of resource can be used again or regenerate quickly? (hint: r____ resources)
    renewable resources
  • What part of the tree holds the tree up and absorbs water?
    The roots.
  • What material is plastic made from?(hint: c___    o__)
    Crude oil.
  • Which fiber comes from the flax plant?
    linen
  • In making silk, cocoons are boiled in hot water to:
    Kill the silkworm
    Season the fibers
    Season the fibers
    In making silk, cocoons are boiled in hot water to:
  • What animal is silk made from? (hint: silkw____)
    Silkworms.
  • Technology always uses electricity to work.
    Sometimes true
    True
    False
    Only in factories
  • What is this part of the tree called?
    branches
  • What is it called when you remove branches from a tree trunk? (hint: d___)
    delimbing
  • Cotton paper can be made from two materials, cotton or ___. (hint: r__)
    rags
  • What is a raw material?
    A natural resource that can be transformed into something else.
  • At a paper mill: Pulp is pressed flat between ______ and more water is squeezed out. (hint: r____)
    rollers
  • Wood is seasoned to:
    Make it strong so it lasts longer
    Turn it into paper
    Remove insects
    Change its color
  • What is the big green leafy part of the tree called?
    crown
  • T or F: Cotton keeps us warm in the summer.
    false
  • Natural fibers are divided into:
    Silk and linen
    Plant and animal
    Regenerated and synthetic
    Cotton and wool
  • At a paper mill: The wood is cut into small pieces with a ______ (hint: c___)
    chipper
  • What is this part of the tree called?
    roots
  • A raincoat is an example of:
    A natural fiber
    A metal
    A waterproof material
    An insulator
  • Delimbing means:
    Cutting off the branches
    Seasoning the wood
    Removing the bark
    Drying wood to remove water
  • What is the machine called that makes paper? (hint: c____ machine)
    a continuous machine
  • At a paper mill: The paper is passed through the rollers to make it smooth and ______. (hint: g___)
    glossy
  • What part of the plant does linen come from? (hint: the s__)
    the stems
  • What are natural fibers made from?
    Plants or animals.
  • What is glass made from? (hint: s___)
    Sand.
  • True or False: Technology does not use raw materials to produce something.
    False.
  • To make paper and cardboard, we use the:
    Branches of trees
    Resin of trees
    Cellulose of trees
    Bark of trees
  • Paper and cardboard are not good insulators because:
    They are made from wood
    They allow heat and electricity to pass through
    They are too heavy
    hey are waterproof
  • What is the last step in processing wood in the sawmill? (hint: s____)
    Seasoning (drying the wood to reduce moisture).
  • What is this part of the tree called?
    trunk
  • T or F: Wool is not a good insulator, it keeps us cool in the summer.
    false
  • What is the first step in making silk? (hint: __ing the cocoons.
    Steaming the cocoons.
  • Name one synthetic fiber.
    Polyester or nylon.
  • Technology uses raw materials to produce:
    Electricity
    Waste products
    Electricity
    Finished products
  • T or F - People use wood panels like plywood because they are cheap, light and recycled.
    true
  • Raw materials are made in:
    Workshops
    Laboratories
    Nature
    Factories
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