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Energy

The Energy category covers the description, definition, and use of all types of energy. Questions of a general nature can be put in the general Energy category. Other sub-categories exist for Fossil fuels, Nuclear energy, and renewables such as Wind, Solar, Hydro, Tidal, and Wave power.

24,905 Questions

What are the energy change for an electric fire?

The energy change in an electric fire is primarily in the form of electrical energy being converted into heat energy. The electricity powers the heating elements in the fire, which then produce heat through resistance to generate warmth and light. As a result, the primary energy transformation in an electric fire is from electrical energy to thermal energy.

What is the chemical symbol for energy?

There is no specific chemical symbol for energy as it is not an element that can be represented by a single chemical symbol. Energy is a property of matter and can exist in various forms such as kinetic, potential, thermal, or electromagnetic energy.

Explain how you know plants contain energy-rich substances?

You know because if you throw plant material into a fire, it will burn, releasing heat.

Why do many people paint their roofs silver rather than black?

Black both absorbs and emits radiation better. That would result in the house being hotter in the daytime and colder at night.

What effect does air pressure have on a bounce of a ball?

I don't believe air pressure has any effect on a ball bouncing. Gravity on the other hand greatly effects how a ball bounces. the less gravity the more it bounces.

On the other hand if you are referring to the air pressure inside of a ball that is a different story.

The effect is the inverse, the lower the pressure the less the ball will bounce, where higher pressure will increase proportionatly a higher bounce to the ball.

What is geothermal energy for kids?

Geothermal energy is heat from the Earth's core that can be used to generate electricity. This renewable energy source is found in the form of hot water, steam, and underground rock. Geothermal power plants capture this heat and convert it into electricity to power homes and businesses.

If 300-n action force is exerted to the right the reaction force will be?

300 Newtons to the left. Remember, there is an equal and opposite force. So the force is equal, 300 Newtons, and it is opposite (opposite of right is left).

Is a campfire heat energy or chemical energy?

A camp fire is a chemical reaction between air(oxygen) and the fuel (wood).

Like all chremical reactions, there is a change of energy involved. In this case the fire liberates heat and light energy. Heat and light are both physical energies.

The white/yellow flame is particles of white hot carbon from the chemical reaction.

Enjoy your camp!!!!!

Electromagnetic radiation visible to the human eye?

The human eye can view the visible light spectrum, which is a segment of the electromagnetic spectrum. It has been concluded that the human eyeball can reveal wavelengths that vary from about 400 to about 700 nanometers.

What did the name electricity'' come from?

It comes from a very little charged pieces inside every atom of a material. Electricity happens when these little pieces move from one atom to another inside the material.

What causes them to move?

when a combination of motion and magnetism is applied to the material.

What are conventional energy source dicuss?

Fossil Fuels: (Coal, oil, natural gas) and nuclear energy

How does the presence of gold in the sun contribute to its luminosity and energy output?

The presence of gold in the sun does not directly contribute to its luminosity and energy output. Instead, the sun's energy comes from nuclear fusion reactions in its core, where hydrogen atoms combine to form helium. This process releases a tremendous amount of energy in the form of light and heat, which is what makes the sun shine brightly. Gold is present in the sun, along with other elements, but it does not play a significant role in the sun's energy production.

How does the presence of gold in the sun contribute to its luminosity and energy production?

The presence of gold in the sun does not directly contribute to its luminosity and energy production. Instead, the sun's energy comes from nuclear fusion reactions in its core, where hydrogen atoms combine to form helium. This process releases a tremendous amount of energy in the form of light and heat, which is what makes the sun shine brightly. Gold is not a significant factor in this process.

How does the process of photodisintegration contribute to the explosive energy release in a supernova event?

During a supernova event, the process of photodisintegration breaks down heavy atomic nuclei into smaller particles, releasing a large amount of energy. This contributes to the explosive energy release in a supernova by increasing the pressure and temperature within the star, leading to a powerful explosion.

What do stars use as fuel to sustain their luminous energy?

Ah, stars rely on a magical source called hydrogen for their beautiful glow. As they fuse hydrogen atoms into helium deep in their cores, this process releases vast amounts of energy that shines brightly in the night sky. Just like painting, it's simply awe-inspiring to see the universe work in such a wondrous way.

What is inside the sun that powers its immense energy and heat?

Well now, the Sun is a wondrous thing! Inside its core, you'll find hydrogen atoms coming together to create a process called nuclear fusion. This incredible reaction releases lots of energy and heat, providing us all with light and warmth here on Earth. Remember, just like the Sun shines bright, you too have your own unique light to share with the world.

What is the energy output of the sun in watts?

Well, that's a great question! The sun outputs an incredible amount of energy, about 3.8 x 10^26 watts. Imagine all that warmth and light spreading out across the vastness of space, bringing life and color to everything it touches. It's truly a beautiful and awe-inspiring thing to behold.

Scripture to be transformed by the renewing of your mind?

The full verse is "Don't copy the behavior and customs of this world, but let God transform you into a new person by changing the way you think. Then you will learn to know God's will for you, which is good and pleasing and perfect" and is from the book of Romans 12:2 - New Living Translation (NLT)

When your mind is renewed, the way you think as the verse above says is changed. And when the way you think changes, your quality of life changes as well. You no longer view things in the same light. For example, if you used to be a pessimistic person, the Holy Spirit leads you to always look at things in a positive manner even in the most serious of storms. Changing your mind or the way you think is not something you can do yourself neither is it something that happens overnight, you have to ask God for help and direction and very often they come in the form of motivational books, preachings, bible study and fellowshiping with God's people. Not conforming to this world (or, not copying the behavior and customs of this world would be for example, controlling your tongue when others are swearing and cursing and thinking about (watching very closely) the things you think about. You don't engage in idle, profitless thoughts and actions but you seek very earnestly to know more about God and He in turn will lead you to know His will for your life which would suprise you when you see what He has in store for you. Finding your way to God and leading a new life in Him is not always going to be easy but it'll forever be worth it.

I hope this helped. =)

Is the sun the only source of light energy on the earth?

Not quite. A lot of light sources which appear to be independent of the sun are using solar energy at second hand. Any living thing which glows, flashes or sparks is using energy which it got from its food; all food comes indirectly from the sun. Most electricity comes from burning, and the fuel that is burnt comes from living things, hence from the sun also. However, electricity that comes from a nuclear power station does not get its energy from the sun - the Uranium that fuels the reactor was made in another star, long ago and far away. There are a few other ways to produce light without relying on solar energy at all. If you extract Radium from the mineral Pitchblende, it glows all by itself - don't stand too close. Or, let off a nuclear weapon; really don't stand too close.

Will solar energy continue for America in the future?

Yes, solar energy is expected to continue to grow in America due to decreasing costs, increasing efficiency of solar technology, and rising concerns about climate change. Federal and state incentives are also helping to drive adoption of solar energy across the country.

What energy source does the ISS run on?

The primary power source is solar power from the large arrays connected to the station. There are also two backup generators and smaller fuel cells for various experiments.

What makes science so important?

Science is important because it helps us understand the world around us, make informed decisions, and solve complex problems. It also drives innovation and technological advancements that improve our quality of life. Additionally, scientific research contributes to our understanding of natural phenomena and the universe.

Is the moon the chief source of radiant energy?

No. The light we receive from the moon is reflected energy from the sun.

The moon has very little radiant energy. All bodies above absolute zero radiate some energy, in the case of the moon it is a very small amount.

How do animals use solar energy?

Animals use solar energy by:

  • Eating vegetation that has used solar energy to grow (photosynthesis)
  • Eating other animals that have eaten vegetation.
  • Using the sun's warmth to survive. This is especially true of cold-blooded animals like reptiles.

animals use energy from the sun for their life.