Grade 7 Geography worksheet on renewable and non-renewable resources with images and labels.
A worksheet titled "Gr 7 Geography: Resources" listing 11 items with icons, asking students to classify them as renewable or non-renewable resources.
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Step-by-step solution for: Renewable and Non-Renewable Resources exercise
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Show Answer Key & Explanations
Step-by-step solution for: Renewable and Non-Renewable Resources exercise
Task: Classify the resources as Renewable or Non-Renewable
#### Definitions:
- Renewable Resources: These are natural resources that can be replenished over time through natural processes. Examples include solar energy, wind energy, and water.
- Non-Renewable Resources: These are finite resources that cannot be replenished within a human timescale. Examples include fossil fuels (coal, oil, gas) and minerals.
#### List of Resources:
1. Wood / Lumber
2. Minerals / Metal
3. Oil
4. Plastic
5. Glass
6. Solar / Sun
7. Gas
8. Nuclear Power
9. Coal
10. Wind
11. Water / Hydro
---
Solution:
1. Wood / Lumber
- Renewable: Trees can be replanted and grown again, making wood a renewable resource if managed sustainably.
2. Minerals / Metal
- Non-Renewable: Minerals and metals are finite resources that take millions of years to form and cannot be replenished within a human timescale.
3. Oil
- Non-Renewable: Oil is a fossil fuel formed from ancient organic matter over millions of years. It cannot be replenished quickly.
4. Plastic
- Non-Renewable: Plastic is made from petroleum (a fossil fuel), which is non-renewable. However, plastic itself can be recycled, but its raw material is non-renewable.
5. Glass
- Partially Renewable: Glass is made primarily from sand, which is abundant but not strictly renewable in the traditional sense. However, glass can be recycled indefinitely, so it has some renewable properties.
6. Solar / Sun
- Renewable: Solar energy comes from the sun, which will continue to provide energy for billions of years. It is an infinite and renewable resource.
7. Gas
- Non-Renewable: Natural gas is a fossil fuel formed over millions of years and is finite. It cannot be replenished quickly.
8. Nuclear Power
- Non-Renewable: Nuclear power relies on uranium, which is a finite resource. Uranium cannot be replenished within a human timescale.
9. Coal
- Non-Renewable: Coal is a fossil fuel formed from ancient plant matter over millions of years. It is finite and cannot be replenished quickly.
10. Wind
- Renewable: Wind energy is derived from the movement of air, which is driven by the sun. It is an infinite and renewable resource.
11. Water / Hydro
- Renewable: Water cycles naturally through the environment (water cycle). Hydropower uses this renewable flow of water to generate energy.
---
Final Classification:
| Resource | Renewable? | Non-Renewable? |
|---------------------|------------|----------------|
| 1. Wood / Lumber | ✓ | |
| 2. Minerals / Metal | | ✓ |
| 3. Oil | | ✓ |
| 4. Plastic | | ✓ |
| 5. Glass | Partially | ✓ |
| 6. Solar / Sun | ✓ | |
| 7. Gas | | ✓ |
| 8. Nuclear Power | | ✓ |
| 9. Coal | | ✓ |
| 10. Wind | ✓ | |
| 11. Water / Hydro | ✓ | |
---
Explanation:
- Renewable Resources: These resources can be replenished naturally over time and are sustainable in the long term. Examples include solar, wind, water, and wood (if sustainably managed).
- Non-Renewable Resources: These resources are finite and cannot be replenished within a human timescale. Examples include fossil fuels (oil, gas, coal) and minerals.
This classification helps understand the sustainability of different resources and their impact on the environment.
Final Answer:
\boxed{
\begin{array}{|c|c|c|}
\hline
\text{Resource} & \text{Renewable?} & \text{Non-Renewable?} \\
\hline
1. \text{Wood / Lumber} & \checkmark & \\
2. \text{Minerals / Metal} & & \checkmark \\
3. \text{Oil} & & \checkmark \\
4. \text{Plastic} & & \checkmark \\
5. \text{Glass} & \text{Partially} & \checkmark \\
6. \text{Solar / Sun} & \checkmark & \\
7. \text{Gas} & & \checkmark \\
8. \text{Nuclear Power} & & \checkmark \\
9. \text{Coal} & & \checkmark \\
10. \text{Wind} & \checkmark & \\
11. \text{Water / Hydro} & \checkmark & \\
\hline
\end{array}
}
Parent Tip: Review the logic above to help your child master the concept of renewable resources vs nonrenewable resources worksheet.