Type
Crossword
Description

A synthetic material made from polymers Plastic
How many types of plastics are there Seven
Another word for bendable Malleable
We usually reinforce plastic with... Fibres
What does poly mean Many
To convert waste to useful materials Recycle
Do some foods have plastic Yes
What is the most dangerous plastic Polyvinyl chloride
Opposite of biodegradable Non-biodegradable
True or false: all plastics are safe False

Polymers Crossword

Type
Crossword
Description

What small molecules like ethene are called? monomers
What is the process of joining together molecules like ethene to form long chains of atoms called? polymerisation
What are large molecules consisting of thousands of monomers often called? macromolecule
Which polymer is commonly used for shopping bags and bottles? polythene
Which polymer is commonly used for packing and insulation? polystyrene
Which polymer is commonly used for rope and carpet fibres? polypropene
What type of problem occurs because of dumping non-biodegradable plastics? pollution
Incineration of non-biodegradable plastics causes what to be released? toxins
Two different monomers joined by an ester link are often called? polyesters
What is it called when a water molecule is lost each time 2 starting molecules link up? condensation polymerisation
What link is formed as nylon? amide
What type of bond is between the two carbons? double bond
What type of insulator can polythene be used as? electrical
What can polythene be a substitute for? natural materials
Along with heating and high pressure what else is needed to make polythene? catalyst
Because only one product is formed in polymerisation, what is this process called? addition polymerisation
What polymer is used for non stick frying pans? teflon
What does PVC stand for? polyvinylchloride
Nylon is often woven into? fabric

All-American Boys Vocab Crossword

Type
Crossword
Description

hesitate or be unwilling to accept an idea or undertaking-153 balked
feeling or showing anger or annoyance at what is perceived as unfair treatment-155 indignant
consciously and intentionally; on purpose-166 deliberately
walk in a slow, relaxed manner, without hurry or effort-176 sauntered
(of a machine) stop working properly-188 fritz
prove (a statement or theory) to be wrong or false; disprove-199 refute
the policy or action of using vigorous campaigning to bring about political or social change-200 activism
fish by letting the fly bob lightly on the water without letting the line touch the water-200 dapped
condition of being normal; the state of being usual, typical, or expected-208 normalcy
engage in a vigorous struggle or scuffle-208 tussled
an elected member of a municipal council-213 alderman
accepting or allowing what happens or what others do, without active response or resistance-213 passive
compress (a soft material) into a lump or bundle-215 wadded
(of a bullet, shell, or other projectile) rebound one or more times off a surface-217 ricocheted
engage in a simulated game-218 scrimmaged
repeat mechanically-220 parroted
a young trainee in the armed services or police force-226 cadets
a system of Christian or other religious belief; a faith-227 creed
(in the Bible) a Philistine giant, according to legend slain by David (1 Sam. 17), but according to another tradition slain by Elhanan (2 Sam. 21:19).-229 Goliath
synthetic resin or plastic consisting of polyvinyl chloride or a related polymer, used especially for wallpapers and other covering materials and for phonograph records-229 vinyl

Recycling Crossword

Type
Crossword
Description

To create something Invent
Make something smaller in size Reduce
Linked to nature Recycling
Material you write on Paper
Harmful to the enviornment Pollution
Scattered waste Litter
Box material Cardboard
This planet Earth
Woody plant Tree
Tin or can material Steel
Water bottle material Plastic
Use over again Reuse
What is a window made of? Glass
The process to reuse material Recycle

Waste Management Crossword

Type
Crossword
Description

What is the movement of waste from sources to its final destination? Waste stream
What type of waste comes from farms? Agricultural waste
What type of waste makes up 36% of solid waste? Paper
Leachate is __________ from landfills composed of chemicals from garbage. liquid
Where is solid waste disposed of? Landfill
Which gas is a mixture of methane and CO2? Landfill gas
Incineration deals with _________ combustion at high temperatures. Complete
___________ is thermally processed in the absence of oxygen. Pyrolysis
Gasification produces _________ and solid residue. syngas
What type of diversion refers to collecting and processing items to make new products? Recycling
_________ decreases the amount of organic waste that enters landfills. Composting
What are any materials rinsed down a drain or flushed down a toilet called? sewage
Septic systems are usually used in what area? rural
How many steps does the municipal sewage treatment have? three
What is the first step in the process of recycling? resource recovery

Materials and Textures Word Search

Type
Word Search
Description

glazed
layered
shiny
metallic
dry
bendable
coarse
wool
porcelain
rough
metal
wood
synthetic
cotton
rigid
smooth
frizzy
yarn
fabric
bumpy
hard
soft
glass
plastic

Elements and the periodic table Crossword

Type
Crossword
Description

A particle with a positive charge proton
A particle with no charge neutron
A particle with a negtive charge electron
Atoms with the same number of protons, but different number of neutrons Isotopes
The number of protons in the nucleus atomic number
The number of protons and neutrons in an atom atomic mass
A material that has shininess, conductivity, magnetism, malleability, and ductility Metal
Ability to transfer heat or electricity conductivity
Ability to be pulled into wires ductility
Ability to be hammered into shapes malleability
An element that lacks the characteristics of a metal non metal
An element intermediate in properties of a metal and non metal metalloid
the first element on the periodic table hydrogen
Not discovered in nature, but artificially produced isotopes synthetic elements
What hydrogen and helium would make, if combined Lithium
The 14th element on the periodic table silicon
Electrons in the outermost shell of an atom that are used for chemical bonds valence electrons
Made up of atoms, and defined nthe number of protons in the nucleus elements
the 8th element on the periodic table oxygen
What lithium and helium make when combined boron

Polymers Word Search

Type
Word Search
Description

Urea-formaldehyde
Polyester Resin
PF
MF
Epoxy resin
PET
Polyvinyl chloride
Polypropylene
High density Polythene
High impact polystyrene
Acrylic

Waste Management Crossword

Type
Crossword
Description

People that study people's garbage and dig holes in garbage dumps Garboalogist
A place where materials can be recycled bluebin
Any toxic,explosive,flammable etc. wastes hazardouswaste
Many gases that combine to create the most harmful pollutant to the air fossilfuels
Where compostable items go greenbin
A place where garbage is brought to and later buried landfill
The most commonly used material that harms the environment plastic
To cut back on using harmful products reduce
Any unwanted or discarded material that is not a liquid or gas solidwaste
To use something again reuse

RECYCLE Word Search

Type
Word Search
Description

Trash
Litter
Reduce
Reuse
Waste
Environment
Paper
Glass
Plastic
Recycle

Fibres to Fabrics Crossword

Type
Crossword
Description

_____________ fibres come from plant and animal sources Natural
plant sources include cotton and ________ Linen
Cotton comes from __________ __________ Cotton plant
Animal sources include ______ and silk wool
linen comes from the ________ plant flax
Manufactured fibres are created from a ____________ of raw materials Mixture
Examples of __________ fibres are viscose and acetate Regenerated
Examples of synthetic fibres are ___________ and acrylic polyester
Cotton grows in ______, moist climates hot
Undesirable properties of cotton are _____________, not very stretchy, burns easily & shrinks Creases
Flax grows in ________, damp climates cool
Wool is the most common ___________ fibre used animal
when wool is cleaned and combed it is called __________ Carding
Wool is used to make household products such as blankets, _____________ and rugs carpets
Silk is produced from a _________________ Silkworm
The worms spin __________ of silk cocoons
Regenerated fibres contain _____________ because they come from plants cellulose
__________ describes the thickness of manufactured fibres Denier
When cotton & polyester are mixed together ____________ is created Polycotton
Printing means applying colour and _________ to one side of the fabric only pattern