Natural Resources and Consumption
What are natural resources?
Natural resources are materials or substances that occur in nature and can be used for economic gain, such as minerals, forests, water, and fertile land.
What are the 4 spheres of earth systems?
Biosphere
Hydrosphere
Atmosphere
Geosphere
What is evidence that supports the claim that Earth's climate is changing?
- temperatures increasing
- ice melting
- sea level rising
If a town of 10,000 people consumes 50,000 kilograms of rice in a year, what is the per capita consumption of rice in kilograms per person per year?
5 kg per person per year
How do humans use the sun as a natural resource?
Humans use the sun as a natural resource by converting sunlight into electricity with solar panels, using solar thermal systems to heat water and air, supporting crop growth through photosynthesis, providing natural lighting in buildings, powering solar devices, and aiding in desalination processes to produce freshwater.
What is a consequence of increased milk consumption?
1. More land use to raise the cows
2. More energy to transport cows
3. more resources to feed cows
etc.
What leads to an increase in the amount of heat trapping gasses ?
- burning fossil fuels
-cutting down trees
-Fueling a bus with gasoline power
- Burning coal to power a freight train
A city with a population of 500,000 people uses 1,000,000 gallons of water in a day. What is the per capita consumption of water in gallons per person per day?
2 gallons per person per day?
Label an example of a non renewable and a renewable resource
Non-Renewable Resources
How does deforestation affect the environment?
Deforestation leads to habitat loss, reduced biodiversity, and increased greenhouse gas emissions, contributing to climate change.
What are greenhouse gases, and how do they affect the atmosphere?
Greenhouse gases, such as carbon dioxide, methane, and water vapor, trap heat in the Earth's atmosphere, leading to an increase in global temperatures and contributing to climate change.
A small village with 200 residents consumes 1,200 liters of milk in a month. What is the per capita consumption of milk in liters per person per month?
6 liters per person per month
What is an example of a fossil fuel?
Coal
Natural gas
petroleum
oil
What is the impact of building dams on river ecosystems?
Building dams can disrupt the natural flow of rivers, affect fish migration, reduce sediment transport, and alter water temperature and quality.
What are some methods to reduce human impacts on the environment?
Methods to reduce human impacts on the environment include using renewable energy sources, conserving water, reducing waste through recycling and reusing materials, implementing sustainable agricultural practices, and protecting natural habitats and biodiversity.
In a region with 2 million people, the total annual consumption of meat is 400 million pounds. What is the per capita consumption of meat in pounds per person per year?
200 pounds per person per year
How is energy consumption related to population size?
Energy consumption increases as population increases.
How does population growth affect the use of natural resources over time?
Population growth increases the demand for natural resources, leading to higher consumption rates, depletion of non-renewable resources, and greater environmental impact.
How does the extraction and use of fossil fuels impact the environment and contribute to climate change?
Sample answer: The extraction and use of fossil fuels release greenhouse gases such as carbon dioxide and methane into the atmosphere, contributing to global warming and climate change. Additionally, the extraction process can lead to habitat destruction, water pollution, and soil degradation.
In a country with a population of 80 million, the total annual consumption of electricity is 240 billion kilowatt-hours. What is the per capita consumption of electricity in kilowatt-hours per person per year?
3,000 kilowatt-hours per person per year