P3 Science · Chapter 20brightbit.net/worksheets
The Environment and Sustainability
Name: ______________________Class: ________Date: ____________Score: ____ / 10
- 1.
What does 'environment' mean in science?
(a) All the living and non-living things surrounding an organism(b) Only the forests and oceans(c) The weather and climate only(d) Human-made structures like buildings
- 2.
What is meant by 'sustainability'?
(a) Using resources in a way that meets our needs without harming future generations' ability to meet theirs(b) Using as many natural resources as possible now(c) Protecting only rare and endangered animals(d) Recycling all waste products
- 3.
Which human activity is MOST harmful to the environment?
(a) Burning fossil fuels, causing air pollution and climate change(b) Planting trees in forests(c) Using solar panels for electricity(d) Recycling paper and glass
- 4.
What is deforestation?
(a) The large-scale clearing of forests(b) Planting new trees(c) Flooding farmland(d) Recycling wood products
- 5.
How does deforestation affect the water cycle?
(a) It reduces transpiration, leading to less rainfall and drier conditions(b) It increases rainfall(c) It has no effect on the water cycle(d) It increases water vapour in the atmosphere
- 6.
The '3Rs' for environmental conservation stand for:
(a) Reduce, Reuse, Recycle(b) Repair, Replace, Return(c) Renew, Reuse, Restore(d) Reduce, Repair, Replace
- 7.
Why is biodiversity important?
(a) Different species interact in food webs; losing one species can affect many others(b) More species means more animals to eat(c) Biodiversity makes environments look nicer(d) Different species compete, which makes the strongest survive better
- 8.
Which of the following is an example of a SUSTAINABLE practice?
(a) Using solar energy to power homes(b) Burning more coal to produce electricity(c) Cutting down all rainforests for farmland(d) Throwing away all plastic packaging
- 9.
What is water pollution and give ONE cause.
- 10.
A student wants to help the environment. Which action would have the MOST positive impact?
(a) Reducing energy use at home AND recycling AND planting trees(b) Only recycling plastic bottles(c) Only turning off the television(d) Only using a paper bag instead of a plastic bag
Answer key — P3 Science: The Environment and Sustainability
For parents. Step-by-step explanations for every question are free on brightbit.net.
- 1.(a) All the living and non-living things surrounding an organism
- 2.(a) Using resources in a way that meets our needs without harming future generations' ability to meet theirs
- 3.(a) Burning fossil fuels, causing air pollution and climate change
- 4.(a) The large-scale clearing of forests
- 5.(a) It reduces transpiration, leading to less rainfall and drier conditions
- 6.(a) Reduce, Reuse, Recycle
- 7.(a) Different species interact in food webs; losing one species can affect many others
- 8.(a) Using solar energy to power homes
- 9.Water pollution is the contamination of water bodies; one cause is dumping factory waste into rivers
- 10.(a) Reducing energy use at home AND recycling AND planting trees
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