What is the best energy source for rescue workers?
Claim 2: Human-powered generators are the best energy source for the rescue team. Evidence 1: Solar cells transfer energy from the sun to a battery. Evidence 2: Human-powered generators can be used to transfer energy any time someone is there to turn the crank.
What is energy and why does it matter to the rescue team?
Energy is the ability to move and it matters to the rescue team because they need to be able to transfer energy to their devices in order for them to be fully charged and able to work.
What ideas do you have about how rescue workers can get energy to their electrical devices in these situations?
Answer: They can get energy to their devices through natural sources of energy like the sun and wind. Explanation: When rescue workers are involved in missions, especially those that involve natural disasters, this could limit or totally eliminate their access to energy from electricity grid lines.
What types of emergency situations could rescue workers?
Explanation:
- hurricanes.
- earthquakes.
- tornadoes.
How does a hand crank flashlight work?
A hand cranked flashlight turns muscle power into electrical power and then visible light. The crank turns gears that create a speed mechanical advantage and turn the generator at a fast rate. The rotors of the generator convert motion into electrical energy that then charges a battery.
Why you think the ED-you-swivel chairs will or will not help the school save money on energy costs?
The Ed-You-Swivel chairs will not capture enough energy to power the school’s small electronics. The energy from the chair will not be enough to nearly cover how much the school uses. “Engineers at Product Testing Lab, Inc. found that the Ed-You-Swivel harnesses 4,000 joules in one day of typical use.
Can objects make their own energy?
Organisms cannot create their own energy. Producers can make their own food, but the energy itself comes from the sun.
How does a ed-you-swivel work?
About the Ed-You-Swivel: The Ed-You-Swivel chair is designed so that students can turn in any direction during class. Every time students swivel their seats, their movements turn a generator. The generator converts kinetic energy to potential energy that is stored in a battery.
What is the most expensive way to produce electricity?
‘Nuclear power is now the most expensive form of generation, except for gas peaking plants’ The latest edition of the World Nuclear Industry Status Report indicates the stagnation of the sector continues. Just 2.4 GW of net new nuclear generation capacity came online last year, compared to 98 GW of solar.
Is nuclear power eco friendly?
Nuclear is a zero-emission clean energy source. It generates power through fission, which is the process of splitting uranium atoms to produce energy. The heat released by fission is used to create steam that spins a turbine to generate electricity without the harmful byproducts emitted by fossil fuels.
Why is Greenpeace against nuclear power?
Nuclear energy has no place in a safe, clean, sustainable future. Nuclear energy is both expensive and dangerous, and just because nuclear pollution is invisible doesn’t mean it’s clean. Renewable energy is better for the environment, the economy, and doesn’t come with the risk of a nuclear meltdown.