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WorksheetsPolymers Review Quizziz
Total questions: 16
Worksheet time: 8mins
What is a polymer?
Half of a monomer
Ionic Compounds
A macromolecule made of repeating units called monomers
A monomer made of repeating units called polymacros
If there are two carbons in a polyethylene monomer, how many carbons are in a 50 monomer polyethylene molecule?
50
100
150
200
Calculate the density of a substance with a mass of 50 g and a volume of 100 ml
50 g/ml
500 g/ml
0.5 g/ml
2 g/ml
Calculate the density of a substance with a volume of 10 ml and a mass of 20 g.
0.5 g/ml
5 g/ml
200 g/ml
2 g/ml
Why does the density of polystyrene decrease when heated?
It's mass increases and volume stays the same
It's volume increases and mass stays the same
It's mass and volume both decrease
It's an optical illusion
Why does the volume of polystyrene beads increase when heated?
Polystyrene molecules move apart and spaces are filled in with air molecules
Polystyrene molecules grow in size
Polystyrene molecules partially melt
Polystyrene molecules fill with liquid water
Which is easiest to recycle?
Thermoset
Thermoplastic
Which is usually non recyclable ?
Thermoset
Thermoplastic
What are microplastics?
Small pieces of plastic found in surface water
Small pieces of plastic within a polymer
A special type of polymer that is smaller than most others
Huge pieces of plastic
Why do plastics take so long to break down in the environment?
The peptide bonds are strong
The carbon-hydrogen bonds are strong
The carbon-carbon bonds are strong
They don't! Recycling is a sham!
Polyvinyl Alcohol is used for
Insulation
Tide Pods
Plastic bottles
Styrofoam
Polyurethane is used for
Insulation
Tide Pods
Plastic bottles
Styrofoam
Polyethylene is used for
Insulation
Tide Pods
Plastic bottles
Styrofoam
Polysytrene is used for
Insulation
Tide Pods
Plastic bottles
Styrofoam
Thermoforming is when
Melted plastic is pushed through a shaped opening
Layers of plastic are compressed and heated
Melted plastic is injected into a mold to cool
A warm sheet of plastic is vacuumed down onto a mold
Extrusion is when
Melted plastic is pushed through a shaped opening
Layers of plastic are compressed and heated
Melted plastic is injected into a mold to cool
A warm sheet of plastic is vacuumed down onto a mold
