Microplastics

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

• 
• 
• 
• 

Tags

NGSS.MS-PS1-3

NGSS.MS-LS2-5

Plastic:

• takes hundreds of years to biodegrade

• doesn't biodegrade, but breaks into smaller pieces

• cannot be effectively recycled

• none of the above are true

Tags

NGSS.MS-PS1-3

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

Microplastics are usually:

• 1 mm or less

• 2 mm or less

• 5 mm or less

• 10 mm or less

Tags

NGSS.MS-PS1-3

Pre-production plastic pellets are called:

• microplastics

• pieces

• plastics

• nurdles

Tags

NGSS.MS-PS1-3

Microbeads are:

• found in personal care items for shine, color, and as fillers

• found in household spray cleaners for scrubbing

• found in food as a preservative and for flavor

• found in all of the above produces

Tags

NGSS.MS-PS1-3

NGSS.MS-LS2-5

NGSS.MS-ESS3-3

Estimated number of plastic pieces in the ocean

• 3,000,000

• 3,000,000,000,000

• 6,000,000,000,000

• 6,000,000

Tags

NGSS.MS-LS2-5

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

466,000 particles/km² is the abundance of plastic found in:

• the Atlantic Ocean

• the Pacific Ocean

• the Great Lakes

• all of the above

In 2015, Congress passed ____ to eliminate microbeads in cosmetics.

• The Microplastic Elimination Law

• The Microbead-Free Waters Act

• The Plastic Pollution Act

• The Cosmetic Plastic Law

Tags

NGSS.MS-PS1-3

NGSS.MS-ESS3-3

What are microplastics?

• Small plastic particles less than 5mm in size

• Large plastic debris found in oceans

• Biodegradable plastic materials

• Natural fibers found in the environment

Tags

NGSS.MS-PS1-3

NGSS.MS-LS2-4

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

• Plastic bottles

• Synthetic clothing fibers

• Glass bottles

• Metal cans

Tags

NGSS.MS-PS1-3

NGSS.MS-ESS3-3