WorksheetsClass 3 Exam Revision 2 ( Book 5 Ch.3-4)
Total questions: 41
Worksheet time: 3hrs 25mins
Which of the following kinds of energy is not commonly used?
Electricity
Town gas
Petrol
Wind
Which of the following does not come from oil?
Petrol
Town gas
Coal
LPG
Which of the following does not need electricity to run?
Trolley
Refrigerator
Air conditioner
Washing machine
Which of the following does not make good use of energy?
Go to work or school by public transport.
Turn off the electrical appliances when they are not in use.
Use natural light often.
Wear a jacket and turn on the air conditioner.
Which of the following is difficult to break down?
Waste paper
Leftover food
Leaves
Plastic bags
Which of the following should we use less?
Glass
Paper plates
Shopping bags
Aluminium cans
Which of the following can we recycle?
Glass bottles
Aluminium cans
Dirty cloths
Porcelain cutlery
Which of the following is not one of the ‘4Rs’?
Reuse
Reduce
Refuse
Recycle
Which of the following is not good for environmental protection?
Shopping bags
Solar calculators
Plastic bags
Durable cutlery
Which of the following are ways of life in modern times? (There can be more than one answer.)
Cooking over wood fires
Using oil lamps to see at night
Using gas stoves to cook
Using heaters to keep warm when it is cold
Which kind of waste rots easily?
Paper
Plastic
Leftover food
Foam box
Which of the following children help protect the environment? (There can be more than one answer.)
Mable: ‘I often use disposable cutlery because it is convenient.’
Tommy: ‘I turn off all the electrical appliances that are not in use when I leave home.’
David: ‘I bring my own shopping bag instead of using plastic bags.’
Lisa: ‘I always set the air conditioner to a very low temperature and put on my coat.’
Many facilities in our daily life need (a) to run.
Cars need (a) to run.
Coal, oil and natural gas will (a) one day.
We should (a) energy because most energy resources will be used up one day.
We should keep all windows and doors shut when the (a) is running.
We produce a large amount of (a) every day. This damages the environment.
We should (a) the amount of rubbish and use the resources wisely.
We should (a) used aluminium cans.
To protect the environment, we should make good use of (a) .
The ‘4Rs’ of environmental protection include ‘Reuse’, ‘Reduce’, ‘Replace’ and ‘ (a) '.
As a large amount of waste is produced every day in Hong Kong, the landfills are having more space.
True
False
Power plants generate electricity with coal and natural gas.
True
False
Different electrical appliances use different amounts of electricity. We should choose and use the appliances carefully.
True
False
People generate energy from natural resources to power facilities.
True
False
To protect the environment, we should make bad use of the Earth’s different resources.
True
False
Waste takes a long time to break down and it is harmful to the environment. Therefore, we should try to be environmentally friendly.
True
False
Protecting the Earth is just adults' responsibility.
True
False
Everyone living on the Earth can share precious resources.
True
False
To protect the Earth, we should apply the (a) to our daily lives.
We should try our best to reduce the use of disposable products.
True
False
We can (a) materials such as paper, aluminium cans and plastic bottles by putting them into recycling bins.
We can (a) waste materials creatively, for example by turning an aluminium can into a flower pot.
We can (a) tissues with a handkerchief to avoid waste.
LPG is produced from crude oil.
True
False
We can make use of natural light and wind to reduce the use of electrical appliances and save energy.
True
False
The ‘4Rs’ of environmental protection are ‘recycle’, ‘reuse’, ‘replace’ and ‘refuse’.
True
False
Before putting a plastic bottle into a recycling bin, we should clean it, and remove the cap and wrapper.
True
False
Reorder the following.
Put the steps of recycling an aluminium can in order.
Finish the soft drink in an aluminium can.
Wash the aluminium can.
Flatten the aluminium can.
Put the aluminium can into a recycling bin.
Which electrical appliance saves energy?
Thermal cooker
Fan heater
