NATURAL RECOURCES UNIT TEST ANSWERS
1. a resource that is in limited supply
2. No. Some rocks may contain several minerals.
3. No, coal is not a mineral because coal is made of dead plants.
4. They provide energy for cars, trains, and heat.
5. They cause pollution on Earth.
6. It can only be used where there is lots of sunlight.
7. oil sand
8. When fossil fuels are burned, they release toxic gases into the air that cause pollution and increase global warming.
9. It plays a variety of roles for plants and animals.
10. It produces less pollutants than fossil fuels.
11. the cost of processing the bottle after it was no longer used
12. The rock display with larger holes shows petroleum drilling, which is deep underground.
13, 14, 15, 16: write your own answer!
13. Renewable resources are resources that can be replenished or replaced naturally over time. Examples include sunlight, wind, water, and biomass.
14. Non-renewable resources are resources that cannot be replenished or replaced naturally over time, or at a rate that is much slower than their consumption. Examples include fossil fuels (coal, oil, natural gas), minerals (gold, silver, copper), and nuclear energy.
15. Sustainable development refers to utilizing resources in a way that meets the needs of the present generation without compromising the ability of future generations to meet their own needs. It involves balancing environmental, social, and economic factors to ensure long-term resource availability and wellbeing for all.
16. Conservation is the practice of protecting, preserving, and responsibly managing natural resources to prevent their depletion or degradation. It involves using resources efficiently, reducing waste, and implementing measures to minimize negative impacts on the environment.