Grade 5 · Science · Unit 11 of 12
Natural Resources
Renewable, non-renewable, used wisely
What your child practises
Renewable and non-renewable resources, Earth materials we use, responsible use (including First Peoples' sustainable practices), and a school waste-audit graph.
Ontario Curriculum expectation: E1.1, E2.5 · renewable and non-renewable resources and using them wisely
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
Put the steps of recycling paper in order.
- ♻️Used paper goes into a recycling bin
- 📄The pulp is pressed and dried into new paper
- 🏭It is sorted at a recycling plant
- 💧It is mixed with water to make pulp
Show answer
Used paper goes into a recycling bin → It is sorted at a recycling plant → It is mixed with water to make pulp → The pulp is pressed and dried into new paper
Hint: Paper is collected, sorted, broken down into pulp with water, and then pressed and dried into new paper.
Question 2
Hydroelectric power plants use which resource to make electricity?
⚡- uranium
- natural gas
- coal
- moving water
Show answer
moving water
Hint: 'Hydro' means water. Falling or flowing water spins turbines to make electricity.
Question 3
Sand and gravel are important Earth materials. What are they mostly used for?
🛣️- making concrete and building roads
- making electricity
- burning for heat
- feeding farm animals
Show answer
making concrete and building roads
Hint: Huge amounts of sand and gravel go into concrete, roads and building foundations.
Question 4
Paper and metal cans can both be recycled. How many kilograms of those two types did the class collect altogether?
Lena's class: one week of school waste (kg) answer boxkg
Show answer
25 kg
Hint: Add the paper and metal cans bars: 10 + 15 = 25.
Question 5
Which Earth material is the main ingredient used to make cement for buildings?
🏗️- diamond
- pumice
- obsidian
- limestone
Show answer
limestone
Hint: Cement is made by heating crushed limestone with clay. Cement is then used to make concrete.
Question 6
Which is an example of reducing (not reusing or recycling)?
♻️- turning an old jar into a pencil holder
- putting a can in the recycling bin
- using a refillable water bottle instead of buying bottled water
Show answer
using a refillable water bottle instead of buying bottled water
Hint: Reduce means using less in the first place. Reuse means using something again. Recycle means making it into something new.