An Ocean of Plastic Quiz

What percentage of ocean plastic starts out on land?

• 50%

• 60%

• 80%

• 90%

What are plastics made of?

• Carbon fibers

• Polymers

• Metallic compounds

• Glass particles

Which of the following is not a characteristic of plastics mentioned in the text?

• They are cheap and easy to make

• They are biodegradable

• They are lightweight

• They are water-resistant

Why is plastic considered a problem pollutant?

• It is not durable like paper or wood.

• It biodegrades and breaks down naturally.

• It fragments and can stick around for hundreds or thousands of years.

• It is less harmful than other materials.

What are the tiny pieces that plastic breaks into over time known as?

• Bioplastic

• Microplastic

• Nanoplastic

• Macroplastic

What can happen to sea creatures that eat plastic which has absorbed harmful chemicals?

• They can become faster swimmers.

• They can develop immunity to pollutants.

• They can grow larger in size.

• They can be exposed to higher amounts of pollutants.

What is one of the biggest problems of plastic pollution on sea life?

• Sea creatures can become entangled in plastic netting.

• Sea creatures prefer plastic over their natural food.

• Plastic increases the water temperature.

• Plastic makes the water clearer.

What can happen to sea turtles that mistake plastic bags for jellyfish?

• They can learn to differentiate between plastic and food.

• They can digest the plastic bags without any issues.

• They can become more agile.

• They can starve to death or develop serious infections.

What can microplastic pieces be mistaken for by marine animals?

• Small rocks

• Plankton

• Coral fragments

• Seaweed

According to a 2015 study, how many marine species have been observed entangled in or eating plastic?

• Nearly 500 marine species

• Nearly 600 marine species

• Nearly 700 marine species

• Nearly 800 marine species