Cardboard (https://youtu.be/_lsC0aXyY6g?si=yoqGrlEajtjylAdI)

What is the primary material used to make cardboard boxes?

• Plastic

• Metal

• Pine trees

• Cotton

What percentage of cardboard boxes used in the US is produced by International Paper?

• 10%

• 25%

• 50%

• 33%

What is the technical term for cardboard that has a wavy layer sandwiched between two flat outer sheets?

• Cardstock

• Paperboard

• Corrugated packaging

• Carton

What is the purpose of the sprinkler in the woodyard?

• To water the trees

• To prevent fires

• To clean the trees

• To cool the trees

What happens to the bark that is removed from the trees during processing?

• It's used for making paper

• It's burned for energy

• It's sold to other industries

• It's recycled into new trees

What is the natural glue-like material in pine trees that holds the fibers together?

• Glucose

• Lignin

• Cellulose

• Starch

Why do papermakers use steam and chemicals to dissolve lignin in the pine fibers?

• To create a pleasant smell

• To make the fibers stronger

• To make the fibers softer

• To remove impurities

What is the purpose of the recovery boiler in the papermaking process?

• To generate steam and chemicals

• To recover lost fibers

• To create a pleasant smell

• To reduce factory emissions

Tags

NGSS.HS-ESS3-2

NGSS.HS-ESS3-4

NGSS.HS-ETS1-1

NGSS.HS-PS3-4

How much of its energy does the mill generate on-site?

• 25%

• 50%

• 75%

• 100%

According to the video, what is one of the challenges in recycling old cardboard?

• It cannot be recycled indefinitely

• It is difficult to collect

• It contains too much plastic

• It emits harmful gases