18 Questions
Which of the following is an example of a renewable resource?
Wind power
What makes solar energy a renewable resource?
The sun is unlimited
How is geothermal energy generated?
Using heat from the Earth's core
What type of biofuel can crops like corn and sugar cane be converted into?
Ethanol
What is the main reason hydroelectric power is considered renewable?
It relies on the water cycle
Why is biomass considered a renewable resource?
We can always grow more plants
Which type of natural resource cannot be replaced at the same rate it is being used?
Non-renewable resources
What is one way animal waste is commonly utilized?
As a fertilizer
What is the primary source of energy for wind power?
The sun's heat
Which of the following is NOT a type of biomass?
Fossil fuels
What is the main characteristic of renewable resources?
They can be replaced or never run out
What is the purpose of geothermal heat pumps?
To heat or cool buildings
What is the definition of natural resources?
Materials we use from nature to make things
What is the main difference between renewable and non-renewable resources?
Renewable resources can be replaced, while non-renewable resources cannot
What is hydroelectric power used to generate?
Electricity
What is the significance of the earth's core in geothermal energy?
It is the source of heat for geothermal energy
What is the purpose of using biomass as an energy source?
To reduce the use of fossil fuels
What is the definition of fossil fuels?
A type of non-renewable resource
Study Notes
Natural Resources
- Natural resources are materials from nature used to make things we need, such as wind energy, water, plants, animals, and fossil fuels.
- Natural resources fall into two main categories: renewable and non-renewable.
Renewable Resources
- Renewable resources are those that can be replaced or never run out, such as:
- Solar energy: since the Earth was formed, the sun has produced energy in the form of heat and light, and is considered unlimited.
- Wind power: created as the sun heats the Earth's surface, and remains an infinite resource as long as the sun shines.
- Hydroelectric energy: generated from flowing water, which is constantly renewed by the water cycle, making it a renewable resource.
- Geothermal energy: using heat from the Earth's core, which is constantly warmed up, making it a renewable resource.
- Biomass: any material made by plants and animals that can be converted into energy, such as:
- Crops (e.g., corn or sugar cane) that can be converted into biofuels (e.g., ethanol) used in cars.
- Animal waste (e.g., cow manure) used as fertilizer.
Non-Renewable Resources
- Non-renewable resources are those that cannot be replaced at the same rate they are being used.
Learn about natural resources, including renewable and non-renewable resources, and their importance for human life on Earth.
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