Marine Debris Lesson 1-2 Review

Choose the two (2) local sources of marine debris:

• Gyre
• Littering
• Beachgoers
• Currents

What defines something as marine debris?

• Natural materials like seaweed and shells
• Water and sand particles
• Solid, human-made materials abandoned in oceans or lakes
• Fish and other marine life

What is a garbage patch?

• Small areas of the ocean where litter, fishing gear, and other marine debris collects.
• Large areas of the ocean where litter, fishing gear, and other marine debris collects.

A "current" is the flow of _________ moving in one direction.

• ice
• trash
• fish
• water

What is a gyre?

• A large system of rotating currents.
• A large patch of garbage.
• A large cabbage patch kid.
• A bunch of currents in the ocean.

True or False: Plastic is a natural material made from compounds that contain carbon.

• True

• False

What is the length a piece of plastic has to be to be considered a microplastic?

• 1 in.

• 5 mm.

• 1 cm.

• 0.5 in.

Choose the natural forces that creates microplastics through degradation?

• UV Rays

• Currents

• More plastic

• Wind

Which type of plastic is the most recycled?

• 
• 
• 
• 

What are the two types of microplastics?

• Primary

• Secondary

• Tertiary