Grade 3 · Science · Unit 9 of 11
Solutions, Technology & Taking Action
Many ways to solve a problem, and the good and harm that technology can do.
What your child practises
Practises that problems can have many solutions, weighing benefits and drawbacks of technology, and taking action on local issues such as litter, safer structures and habitats.
Manitoba Curriculum learning outcome: SCI.3.D.6, SCI.3.D.7, SCI.3.C.1 · many possible solutions, effects of technology and taking action on science and environment issues
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
To choose the best solution, you think about how well it…
- rhymes
- works and what it costs or affects
- looks in a photo
Show answer
works and what it costs or affects
Hint: Compare function, cost and effects.
Question 2
A solution may affect people, animals and…
- nothing
- only your shoes
- the environment
Show answer
the environment
Hint: Solutions have implications.
Question 3
You see a young tadpole pond drying up. A helpful action is to…
- fill it with sand
- pour paint in it
- tell a teacher so people can protect the pond
Show answer
tell a teacher so people can protect the pond
Hint: Protect vulnerable stages.
Question 4
A benefit of a bike path is that it…
- gives people a safe, clean way to travel
- makes more traffic
- closes the park
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gives people a safe, clean way to travel
Hint: Bike paths are a solution.
Question 5
Which solution to litter on the playground is best for the environment?
- Place bins and reuse containers
- Bury it in the grass
- Burn it
Show answer
Place bins and reuse containers
Hint: Good solutions protect the environment.
Question 6
Which question helps pick the best solution?
- Is it purple?
- Does it work, is it safe, and is it fair to everyone?
- Is it the heaviest?
Show answer
Does it work, is it safe, and is it fair to everyone?
Hint: Use several criteria.