Plastics

Why do you think people use plastic for their products ?

• Because it's strong
• Because its very cheap and it's easy to make
• Because it's expensive
• Because it's rare and it's good for the enviorment

Tags

NGSS.MS-ESS3-4

NGSS.MS-PS1-3

What term means "does not break down in the environment"

• biodegradeable
• non-degradeable
• corrosive
• biodegenerative

does plastic melt ?

• no way 
• maybe 
• i don't know
• yes 

WHAT IS PLASTIC?

• Plastics are typically organic polymers of high molecular mass
• IS GLASS
• IS A KIND OF CHEMYCAL MATERIAL
• Materials that can be reshaped (remolded) by applying heat and pressure

HOW DO WE USE PLASTIC MATERIAL?

• PLASTICS IN THE HOME/PLASTICS IN THE FOOD INDUSTRY/PLASTICS IN TRANSPORT 
• PLASTIC IN CHILDREN
• PLASTIC IN  THE HUMAN BODY
• PLASTIC IN FOOD 

WHERE DO WE FIND PLASTIC?

• FROM TREES
• We get plastic from oil and natural gaseS
• FROM HUMAN BEINGS
• FROM ANIMALS

Select the best definition for the word durable.

• breaks a lot

• tough and able to last a long time

• very little

• smells bad

Which sentence best supports the fact that plastic is durable?

• "plastic was invented in the early 1900s"

• "disposable plates, cups, and other items were advertised as a way to save time"

• "plastic bottles don't shatter like glass one"

• "instead, it becomes litter on the street"

Where does most of the plastic end up?

• landfills

• schools

• litter on the streets

• oceans

Why is plastic used so much?

• it is rigid.
• is is flexible.
• it is expensive.
• it is cheap and versatile.