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TECH Entry Test Review Questions 2A
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At a paper mill: The paper is passed through the rollers to make it smooth and ______. (hint: g___)
glossy
At a paper mill: Pulp is pressed flat between ______ and more water is squeezed out. (hint: r____)
rollers
At a paper mill: The wood is cut into small pieces with a ______ (hint: c___)
chipper
T or F: Cotton keeps us warm in the summer.
false
T or F: Wool is not a good insulator, it keeps us cool in the summer.
false
What part of the plant does linen come from? (hint: the s__)
the stems
Which fiber comes from the flax plant?
linen
What is the machine called that makes paper? (hint: c____ machine)
a continuous machine
T or F - People use wood panels like plywood because they are cheap, light and recycled.
true
What kind of resource can be used again or regenerate quickly? (hint: r____ resources)
renewable resources
In making silk, cocoons are boiled in hot water to:
 
In making silk, cocoons are boiled in hot water to:
 
Kill the silkworm
 
Season the fibers
 
Season the fibers
Natural fibers are divided into:
 
Plant and animal
 
Cotton and wool
 
Silk and linen
 
Regenerated and synthetic
Paper and cardboard are not good insulators because:
 
They allow heat and electricity to pass through
 
They are made from wood
 
hey are waterproof
 
They are too heavy
To make paper and cardboard, we use the:
 
Cellulose of trees
 
Bark of trees
 
Resin of trees
 
Branches of trees
Wood is seasoned to:
 
Make it strong so it lasts longer
 
Change its color
 
Turn it into paper
 
Remove insects
Delimbing means:
 
Cutting off the branches
 
Removing the bark
 
Drying wood to remove water
 
Seasoning the wood
A raincoat is an example of:
 
A waterproof material
 
A metal
 
A natural fiber
 
An insulator
Raw materials are made in:
 
Nature
 
Factories
 
Workshops
 
Laboratories
Technology always uses electricity to work.
 
False
 
True
 
Sometimes true
 
Only in factories
Technology uses raw materials to produce:
 
Finished products
 
Waste products
 
Electricity
 
Electricity
What is this part of the tree called?
roots
What is this part of the tree called?
branches
What is this part of the tree called?
trunk
What is the big green leafy part of the tree called?
crown
What is it called when you remove branches from a tree trunk? (hint: d___)
delimbing
Name one synthetic fiber.
Polyester or nylon.
What is the last step in processing wood in the sawmill? (hint: s____)
Seasoning (drying the wood to reduce moisture).
What is glass made from? (hint: s___)
Sand.
What is the first step in making silk? (hint: __ing the cocoons.
Steaming the cocoons.
Cotton paper can be made from two materials, cotton or ___. (hint: r__)
rags
What material is plastic made from?(hint: c___    o__)
Crude oil.
True or False: Technology does not use raw materials to produce something.
False.
What animal is silk made from? (hint: silkw____)
Silkworms.
What is leather made from?
Animal skin.
What are natural fibers made from?
Plants or animals.
What part of the tree holds the tree up and absorbs water?
The roots.
What is a raw material?
A natural resource that can be transformed into something else.
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