Grade 3 · Social Studies · Unit 7 of 9
Land & the Environment
How using land affects nature, and what helps
What your child practises
How logging, mining, farming and cities affect the environment, ways to reduce harm (reforestation, rehabilitation, public transit, protecting wetlands and the Greenbelt), reading data and maps, and thinking about different perspectives.
Ontario Curriculum expectation: B2.1–B2.6 · the environmental effects of land and resource use in Ontario and measures to reduce harm
Sample questions
A taste of this unit. In the app, questions change every time and get easier or harder to match your child.
Question 1
Planting new trees after logging is called…
🌳- pollution
- erosion
- reforestation
- deforestation
Show answer
reforestation
Hint: Re- means again. It is planting forests again.
Question 2
Ontario's Greenbelt is a protected area. Why was it created?
🌿- to move cities
- to make lakes
- to protect farmland and natural areas from being built on
- to build more highways
Show answer
to protect farmland and natural areas from being built on
Hint: The Greenbelt surrounds a very busy part of southern Ontario.
Question 3
Why might a community choose to protect a wetland instead of draining it?
🦆- wetlands are always dry
- wetlands are the best place for roads
- wetlands have no plants
- wetlands clean water and shelter many species
Show answer
wetlands clean water and shelter many species
Hint: Wetlands are important habitats.
Question 4
A thematic map of a region shows where its forests, farms and towns are. Why can this help planners?
🗺️- it shows prices
- they can see how land is used and where to protect nature
- it shows people's names
- they can see the weather next year
Show answer
they can see how land is used and where to protect nature
Hint: A thematic map shows one topic at a time.
Question 5
Why is it important to ask questions about the long-term effects of land use?
⏳- land never changes
- only short-term effects matter
- some effects show up many years later
- there are never any effects
Show answer
some effects show up many years later
Hint: Some effects take a long time.
Question 6
A quarry digs up gravel and stone. One effect on the environment is…
🪨- noise, dust and the loss of habitat
- more flowers
- more forest
- cleaner air
Show answer
noise, dust and the loss of habitat
Hint: Quarries must be restored afterward.