LSS sec 2B Resources

We can use resources sustainably by practising the 3Rs. An example of an item that can be placed into a recycling bin is a used ____.

• plastic fork

• soft toy

• fan

• glass bottle

Zero waste is the idea of producing as ____ waste as possible.

Upcycling redfers to reusing unwanted materials in ___ ways. Eg. turning old wooden crates into furniture.

• old

• new

• zero

• unwanted

Singapore ensures a sustainable supply of water to meet the needs of its people and industries through various ways. You may choose more than one answer below.

• Water from local catchment

• Desalinated water

• imported water

• NEWater

Desalinated water is produced by removing ____ from seawater and turning it into drinking water.

_________ is the first reservoir in Singapore and is more than 150 years old.

• Upper Seletar Reservoir

• Peirce Reservoir

• MacRitchie Reservoir

• Marina Reservoir

One way to reduce the use of fossil fuels is to ______ energy. This means that we prevent energy from being wasted and use only what we need.

• conserve

• reserve

• preserve

• secure

The use of fossil fuels can result in the emission of greenhouse gases which contribute to global warming. Alternative sources of energy include ____ and ____ energy.

• solar; panel

• solar; wind

• human; water

• rain; solar

Solar panels have been installed on the rooftops of HDB blocks across Singapore. The solar energy produced is used to power the ____, _____ and water pumps of the blocks.

• fans, rubbish chute

• lifts, lights

• heater, air conditioner

• taps, toilets

The DBS Newton net-zero energy building (left) is powered fully by the solar panels on its roof. ___________ buildings are buildings that are environmentally friendly.