Microplastics

Can humans help to reduce the amount of microplastics in the environment?

• yes

• no

• only on Fridays

• only if they recycle all the plastic cups they use

Tags

NGSS.MS-ESS3-3

Which one of the following is categorized as micro-plastics?

• 
• 
• 
• 

Tags

NGSS.MS-ESS3-4

NGSS.MS-PS1-3

What happens to plastic that has broken into smaller pieces?

• spread out in the ocean

• stay at the same spot in the ocean

• disappear after 1 year

• decomposed by microorganisms

What happens to plastic AFTER it biodegrades?

• it becomes thicker

• it doesn't biodegrade

• it becomes very oversized

• it breaks into tiny pieces

Tags

NGSS.MS-PS1-3

How does plastic end up in teh watershed?

• it just does

• it flows through the ocean

• it flys to the watershed

• i have no idea

Plastic nurdles can be used to make all of the following EXCEPT

• clothes

• toys

• pillows

• cement blocks

Tags

NGSS.MS-PS1-3

Our castaway plastic bags and plastic bottles get weakened by sunlight and then ............

• torn apart in the wind and the waves into small plastic bits.

• torn apart by sea animals into small plastic bits

• carried away to sea shores.

• eaten by small fish.

Tags

NGSS.MS-LS2-4

NGSS.MS-PS1-3

What are micro-plastics?

• small plastic pieces less than five millimetres long

• small plastic pieces less than five centimetres long

• small plastic pieces less than five metres long

• small plastic pieces less than five kilometres long

Tags

NGSS.MS-PS1-3

What are microplastics primarily composed of?

• A) Natural fibers

• B) Metal particles

• C) Synthetic polymers

• D) Glass fragments

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-3

Which of the following is a common source of microplastics in the ocean?

• A) Decomposing leaves

• B) Industrial runoff

• C) Plastic waste breakdown

• D) Volcanic ash

Tags

NGSS.MS-ESS3-3