Polymers

A chain of repeating units (called monomers) is a...

• monomer

• dimer

• replicate

• polymer

Define polymer

• circular molecule with no repeating units

• short molecule made of a few repeating units

• long, chain-like molecule made of repeating units

• chain-like molecule that contains only hydrogen and oxygen

Tags

NGSS.MS-PS1-1

The main difference between High Density Polyethylene (HDPE) and Low Density Polyethylene (LDPE) is...

• LDPE is made of long straight chains

• HDPE has chains that are branched

• LDPE has 2 monomers

• HDPE is made of long straight chains

Tags

NGSS.HS-PS2-6

If a substance is a co-polymer it means it has...

• 1 monomer

• 2 monomers

• High density chains

• Low density chains

Polymers are made up of many small repeating units. We call these smaller units ___________.

• Co-polymers

• Nylon

• Monomer

• Polyester

A dehydration reaction is best defined as...

• a chemical reaction that involves the loss of water from the reacting molecule

• a chemical reaction that involves the gain of water from the reacting molecule

• A chemical reaction that does not have enough water to happen

• A chemical reaction that is really thirsty

If something is synthetic it means it is...

• Found in nature

• Made by mother nature

• man-made

• cheap

Tags

NGSS.MS-PS1-3

Which of the following is NOT a synthetic polymer

• Cotton

• Polyester

• Nylon

• PVC

Tags

NGSS.MS-PS1-3

Which of the following is NOT a natural polymer

• Cotton

• Polyethylene

• DNA

• Carbs

Tags

NGSS.MS-PS1-3

An element is...

• Water

• When 2 different atoms bond together: you can find these in polymers

• A pure substance consisting of at least one atom: you can find these on the periodic table

• A mix of different atoms from the periodic table

Tags

NGSS.MS-PS1-1