What is one of the most common methods for turning synthetic materials into natural ones?

• Burning them

• Recycling

• Burying them

• Freezing them

What process involves microorganisms breaking down synthetic materials?

• Combustion

• Biodegradation

• Photosynthesis

• Evaporation

What are biodegradable plastics made from?

• Metal

• Petroleum

• Plants

• Glass

Tags

NGSS.MS-PS1-3

What is the potential future benefit of advances in biotechnology and green chemistry?

• Increased plastic production

• Converting synthetic materials back into natural substances

• More landfill waste

• Higher pollution levels

Tags

NGSS.MS-ESS3-3

NGSS.MS-PS1-3

What can microorganisms convert plastic into?

• Metal

• Natural substances

• Glass

• Oil

What is the main environmental benefit of biodegradation?

• Increases plastic production

• Reduces pollution

• Increases landfill waste

• Produces more synthetic materials

What is the main challenge with synthetic materials mentioned in the text?

• They are too cheap

• They take hundreds of years to break down

• They are too colorful

• They are too light

Tags

NGSS.MS-PS1-3

What is the main focus of scientists regarding synthetic materials?

• Making them more colorful

• Breaking them down more quickly

• Making them heavier

• Increasing their production

Tags

NGSS.MS-PS1-3

What is one way synthetic materials can be reformed into new items?

• Melting and reforming

• Freezing

• Painting

• Burying

Tags

NGSS.MS-PS3-3

What is the main goal of converting synthetic materials back into natural substances?

• To increase production

• To reduce pollution

• To make them heavier

• To change their color