In addition to the fill-in-the-blank questions, you will often be asked to write short-answer responses. Here are a few common examples and strong sample answers.
What are the three major types of fossil fuels? Answer: Coal, oil (petroleum), and natural gas.
), which contribute to global climate change and air pollution. Renewable Resources section 15.3 energy resources answer key pdf
By reviewing the answer key for Section 15.3 Energy Resources PDF, you should have a better understanding of the following key takeaways:
Fossil fuels produce pollution and contribute to greenhouse gas emissions. Q: Describe the energy conversion in a hydroelectric plant. In addition to the fill-in-the-blank questions, you will
Kinetic energy of wind converted into electrical energy.
Avoid looking directly at the PDF answer key. Try to solve the worksheet using your textbook reading notes first. Answer: Coal, oil (petroleum), and natural gas
| Action | Impact | |--------|--------| | Turn off lights and electronics when not in use | Saves electricity and reduces your bill | | Use energy-efficient LED bulbs | Use 75% less energy and last 25x longer than incandescents | | Unplug "vampire" devices (chargers, TVs, game consoles) | Phantom loads can account for 5–10% of residential electricity use | | Set thermostats wisely (68°F in winter, 78°F in summer) | Saves heating/cooling energy without sacrificing comfort | | Wash clothes in cold water | Up to 90% of a washing machine's energy goes to heating water | | Air dry dishes instead of using heat-dry cycle | A simple switch that adds up | | Maintain vehicles (proper tire pressure, timely oil changes) | Improves fuel economy by 3–4% | | Walk, bike, or use public transit | Reduces fossil fuel consumption and improves your health |
Q: Hydrogen fuel cells generate electricity by combining hydrogen with oxygen. →right arrow . Q: Biomass is a nonrenewable resource. →right arrow
4. What are the advantages and disadvantages of fossil fuels?