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WorksheetsEXAM: WOOD & METALS
Total questions: 43
Worksheet time: 36mins
If you have a material that can conduct electricity well it is probably a...
Metalloid
Matter
Non-metal
Metal
What element in air reacts with Iron to make Iron Oxide
Carbon
Oxigen
Oxygen
Nitrogen
In steel, iron is mixed with small amounts of non-metal, _______ .
Copper
Carbon
Diamonds
Wood
Pure iron is _________________ .
soft and weak
hard and stong
bendy and brittle
Bronze is an alloy of copper and _____.
Steel
Iron
Tin
Carbon
Bronze has high friction with other metals.
True
False
All metal elements melt at the same boiling point.
True
False
Which is a liquid metal at room temperature?
Mercury
Gold
silver
brass
What is an alloy
A mixture of metals and gas
A mixture of carbon and steel
A homogenus mixture of metals and non metals
mixture of metals and non metals
Brass is an alloy made of
copper and zinc
copper and tin
copper and nickel
copper and aluminum
Which of the following are alloys? (choose 3)
Lead
Bronze
Brass
Aluminium
Stainless Steel
What is added to iron in stainless steel to prevent corrosion?
Chromium
Zinc
Aluminium
Copper
Which metal is heavier?
Steel
Aluminium
Select the properties of copper (choose 3)
Good conductor
Welds easily
Does not corrode
Rusts easily
Select the Non-Ferrous metals (choose 3)
Zinc
Aluminium
Tin
Steel
What is the best mineral ore for extracting aluminium?
Bauxite
Barite
Beryl
Bornite
Air pollution, water pollution, and noise pollution are associated with ______.
subsurface mining
surface mining
What type of mineral is valued for its economic worth?
gangue
native
ore
compound
What is the term for minerals that have little to no economic value?
ore
native
compound
gangue
Which of the following is an example of a softwood?
Beech
Pine
Cherry
Oak
Which of the following is an example of a hardwood?
Pine
Fir
Cedar
Mahogany
Softwood come from which type of tree?
Deciduous
Coniferous
Tall
Ones that lose their leaves in autumn.
Hardwood comes from which type of tree?
Deciduous
Coniferous
Tall
Evergreen
MDF (fiberboard) is an example of
a hardwood
a prefabricated board
a softwood
a plastic
Using the diagram, what is the name of the "skin" of the tree?
Pith
Sapwood
Heartwood
Bark
Using the diagram above, what part of the tree transfers the nutrients?
Pith
Sapwood
Heartwood
Bark
Using the diagram above, what part of the tree trunk is the most mature and usually darker in color?
Pith
Sapwood
Heartwood
Bark
Using the diagram above, what part of the tree is the central core that is weak?
Pith
Sapwood
Heartwood
Bark
chipboard is an example of
softwood
hardwood
prefabricated wood
What is the name of a cut tree trunk?
trunk
branch
log
wood
It is a thin layer of generative tissue lying between the bark and the wood of a stem
Cambium Layer
Stem
Bark
Heartwood
The two main classifications of trees are:
Evergreen and Deciduous
Dry and Moist
Hardwoods and Softwoods
Leafed trees and Needle trees
The process of drying is used to
Remove moss from the wood.
Cut wood into planks.
Remove bugs from the wood.
Remove moisture from the wood
Softwoods come from deciduous trees?
True
False
Why do softwoods tend to be cheaper to buy?
They grow quickly
They are tall
They are soft
Which of the following are types of prefabricated wood?
Pine
Plywood
MDF
Balsa
Chipboard
Plywood has layers, called plies or a single ply, that are layered ...
In opposite directions
In the same direction
In varying directions
The paper you write on every day is made from...
trees.
oil.
minerals.
Paper can be recycled to make
Magazines
Wall papers
News papers
All of the above
To make paper white, the paste or pulp is
Bleached
Burnt
Sold
Moved
