Book 5 Ch.3-4

What are some natural resources that provide energy?

• Wind and stone

• Wood and soil

• Coal and crude oil

• Water and air

How can we save energy when using electrical appliances?

• Use more energy

• Ignore their energy consumption

• Turn them off when not in use

• Keep them on all the time

Where is waste mainly sent in Hong Kong?

• Recycling centers

• Incinerators

• Landfills

• Sea

What are the 4Rs to reduce waste?

• Reduce, Recover, Recycle, Refill

• Recover, Reuse, Recycle, Refill

• Reduce, Reuse, Recycle, Replace

• Recover, Reuse, Refill, Replace

How can we reduce waste production?

• Use more plastic

• Recycle only paper

• Increase single-use products

• Avoid using single-use products

Which of the following can be recycled?

• Plastic bags

• Rubber gloves

• Aluminium cans

• Tissue paper

What should we do with single-use products?

• Reuse them multiple times

• Recycle them immediately

• Throw them away after one use

• Avoid using them

How can we help the environment by replacing items?

• Use more disposable items

• Replace reusable items with single-use products

• Replace single-use products with reusable items

• Avoid replacing anything

What is the best way to manage waste?

• Ignore it

• Recycle everything

• Apply the 4Rs

• Throw everything in the landfill

What happens if we don't turn off electrical appliances when not in use?

• They use less energy

• They waste energy

• They save energy

• They become more efficient