Processing Resource

What is the main reason for processing materials?

• To make them heavier

• To change materials into useful products

• To create waste products

• To make materials more colorful

_ _ _ _ _ _ _ _ _ _ _ _ _ _ is the process used to remove bacteria from milk, making it safe to drink?

True or False: Recycling glass involves melting it down and reshaping it into new products.

• True

• False

What happens to plastic during recycling?

• It is broken into smaller pieces and melted down

• It is dissolved in water

• It is burned to remove impurities

• It is compressed and reused without any change

_ _ _ _ _ is often recycled and turned into new products

The process of heating sand to make glass is known as _ _ _ _ _ _ _

True or False: All plastics break down naturally in the environment.

• True

• False

Which of the following IS an example of material processing?

• Recycling paper

• Cutting wood into planks

• Growing vegetables

• Melting iron for steel production

When clay is processed, it is turned into what type of material?

• Glass

• Metal

• Plastic

• Ceramics

Why is recycling an important part of material processing?

• • It adds more waste to landfills

• It uses more energy than making new products

• It reduces the amount of waste and pollution

• It is more expensive