All plastics are man made and do not biodegrade.

• True

• False

What are polymers made of and what do they look like?

• long chains of carbon and non-metals

• strings of oxygen and water

• blobs of water and iron

• single groups of iron and other metals

Tags

NGSS.MS-PS1-1

What are some examples of natural plastics?

• DNA

• Latex

• Silk

• Glue

• Polyester

What are some advantages of using plastic?

• durable

• do not corrode

• they can be formed into almost anything

• flammable

• break easily and not easy to fix

Tags

NGSS.MS-PS1-3

What are some disadvantages of using plastic?

• durable

• kills creatures who eat too much

• they can be formed into almost anything

• flammable

• break easily and not easy to fix

Tags

NGSS.MS-PS1-3

What are the two types of plastics?

• thermoplastic

• thermoset

• thermopolymer

• thermosilk

What are some properties of thermoset plastic?

• do not respond to heat

• shrinks back to original shape

• not recyclable

• durable, brittle, hard

• recyclable

Tags

NGSS.HS-PS2-6

What are some properties of thermoplastic?

• responds to heat

• shrinks back to original shape

• not recyclable

• durable, brittle, hard

• recyclable

When water is added to HDPE polymer powder, what properties did we see happen with them?

• absorbs water and turns into a gel

• It's hydrophobic (afraid of water)

• absorbs water and expands

• material can be used to prevent fires

• puffed up like a slushy or icee

Tags

NGSS.MS-PS1-2

When water is added to instant snow polymer powder, what properties did we see happen with them?

• absorbs water and turns into a gel

• It's hydrophobic (afraid of water)

• absorbs water and expands

• material can be used to prevent fires

• puffed up like a slushy or icee

Tags

NGSS.MS-PS1-2