Grade 7 · Science · Unit 1 of 10
Tundra Ecosystems
Permafrost, tundra plants and the food chains of the north.
What your child practises
Covers tundra conditions, permafrost, food chains and a changing Arctic. The Nunavut adaptation of the Alberta Science 7–9 program encourages learning with Elders and from the land alongside the classroom.
Nunavut Curriculum approved guide: Nunavut adaptation of Alberta Science 7–9 (2003), Unit A: Interactions and Ecosystems · tundra ecosystems, permafrost and food chains
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
Why are there few trees on the tundra?
- It is cold and windy with a short growing season
- There is too much rain
- There is no sunlight
- There is no air
It is cold and windy with a short growing season
Hint: Roots can't grow in frozen ground.
Question 2
What is permafrost?
- A kind of snow
- Ground that stays frozen for at least two years
- A type of ice cream
- Soft summer mud
Ground that stays frozen for at least two years
Hint: Perma means lasting.
Question 3
What does a wolf eat on the tundra?
- Cotton grass
- Caribou and other animals
- Moss
- Lichen
Caribou and other animals
Hint: It is a carnivore.
Question 4
What happens when permafrost thaws?
- The sea freezes
- The ground gets harder
- The ground can sink and buildings can shift
- Trees grow tall overnight
The ground can sink and buildings can shift
Hint: Frozen ground holds soil together.
Question 5
What does an Arctic fox mostly eat?
- Fruit
- Grass
- Lemmings and birds
- Seaweed
Lemmings and birds
Hint: It is a carnivore.
Question 6
Which birds visit the tundra in summer to nest?
- Penguins
- Flamingos
- Parrots
- Snow geese
Snow geese
Hint: Many migrate from the south.