Grade 3 · Science · Unit 3 of 10
Plants & People
Food, shelter, local plants and protecting habitats
What your child practises
How people and animals depend on plants for food, shelter, clothing and medicine, including plants grown and harvested by First Nations in Ontario today, local food, and simple ways to protect native plants.
Ontario Curriculum expectation: B1.1–B1.3, B2.6–B2.8 · how people use plants, local and Indigenous plant foods, and how people can protect plants and plant habitats
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
Does it help plants or harm plants? Tap an item, then tap its basket.
Sort into: 💚 helps plants · ⚠️ harms plants
- 🅿️paving over a meadow
- 🗑️dumping garden waste in a forest
- ♻️starting a compost bin
- 🦆protecting a wetland
- 🍬littering in a park
- 🚿watering a school garden
Show answer
💚 helps plants: starting a compost bin, protecting a wetland, watering a school garden · ⚠️ harms plants: paving over a meadow, dumping garden waste in a forest, littering in a park
Hint: Protecting habitat and caring for gardens helps plants. Paving over meadows and spreading invasive plants harms them.
Question 2
Why can planting trees along a stream protect a plant habitat?
🌳- the roots hold the soil and the shade keeps the water cool
- they make the water warmer
- they stop it from raining
- they make the stream dry up
Show answer
the roots hold the soil and the shade keeps the water cool
Hint: Trees on the bank hold soil in place and help animals and plants in the water.
Question 3
In Ontario, many people tap maple trees in early spring and boil the sap. What do they make?
🍁- maple syrup
- maple glue
- maple cotton
- maple flour
Show answer
maple syrup
Hint: Many Indigenous communities and families in the Great Lakes region make maple syrup. Maple trees are a plant used for food.
Question 4
A farmer wants to turn a wetland into a field. A nature group wants to protect it. These are different…
👥- seeds
- seasons
- perspectives
- recipes
Show answer
perspectives
Hint: People can see the same place in different ways, depending on what matters to them.
Question 5
Corn, beans and squash are grown together in many gardens, including by Haudenosaunee communities. They are called…
🌽- the Berry Family
- the Garden Trio
- the Root Crops
- the Three Sisters
Show answer
the Three Sisters
Hint: The Three Sisters are planted together because the plants help each other.
Question 6
Cutting down a whole forest to build a parking lot can…
🌲- give plants more room
- make more habitats
- help the soil
- destroy the habitat of plants and animals
Show answer
destroy the habitat of plants and animals
Hint: Plants and animals live in forests. Taking away the forest takes away their homes.