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Science (Energy)

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science
how should each form of energy be identified? A) energy A:gravitational energy /energy B:chemical energy B) energy A: nuclear energy/ energy B: electrical energy C) energy A: electromagnetic energy energy B:sound energy D) energy A: mechanical energy /energy B: thermal energy

Science
Which 6 are energy from sunlight?? nuclear energy,geothermal energy,tidal energy,fusion energy,wind,hydroelectric energy,solar energy,biomass,fossil fuels,ocean thermal,energy conversion

SCIENCE PLZZ HELP
Which 6 are energy from sunlight?? nuclear energy,geothermal energy,tidal energy,fusion energy,wind,hydroelectric energy,solar energy,biomass,fossil fuels,ocean thermal,energy conversion

Science
During the process of photosynthesis, solar energy is converted into: a. chemical energy. b. heat energy. c. thermal energy. d. mechanical energy. e. nuclear energy. a

SCIENCE
When you turn on a television, you transform electrical energy into what types of energy? 1) heat energy 2) light energy 3) elastic potential energy 4) sound energy I THINK #1 ,#2 #4 Thanks for your help.

Science
A student is trying to identify the different forms of energy described in the following chart: Form of Energy Description Examples Energy A energy that travels in waves through space light radio waves Energy B energy that depends on the height of an object a person at the top...

science
when you turn a television on, you transfer electrical energy into __. choose all that apply. a heat energy b light energy c elastic potential energy d sound energy

Science
Which one of these is a form of stored energy? A. Heat energy B. Light energy C. Electrical energy D. Chemical Energy D?

science
Which of the following is not an example of potential energy? Chemical energy gravitational energy mechanical energy*** nuclear energy

Science
Molecules that make up matter move constantly.Which of these forms of energy refers to the energy of the moving molecules and why? A.Chemical Energy B.Thermal Energy C.Electrical Energy D.Light Energy Which device can change electrical energy to light and sound energy? A....

science
a fan uses 150j of mechanical energy, 20j of heat and 75j of sound energy a) what is the total input energy b) what is the total useful output energy c)what is the total wasted energy d) what is the energy efficiency e) what percent of the energy was wasted

science-physics
Q1)which of these energy resources does not originate from the suns energy?:natural gas,oil,geothermal energy,coal Q2)the burning of fossil fuels does not release? potential energy,light energy,sound energy , heat energy?? Q3)at the moment renewable energy sources generate? ...

science
The bonds that holds atoms together in a molecule are a form of a. potential energy b. ionization energy c. kinetic energy d. thermal energy A?

Science
Bond that holds atoms together in a molecule are? A. radiation energy B. kinetic energy C. thermal energy D. potential energy I think B

Science
where does this energy conversion occur? gravitional energy to kietic energy to electrical currernt. what i don't understand is what is gravitational energy?

Science
Use the terms solar, kinetic, electrical and potential energy gravitational energy to explain energy transformations used for renewable energy systems

Science
Which of these energy changes takes place in a solar cell? A.Heat energy to light energy B.Light energy to electrical energy C.Electrical energy to heat energy D.Thermal energy to electrical energy C?

science 8th grade
1. The thermal energy of an object is _____. (1 point) its potential energy its average kinetic energy its potential energy minus its kinetic energy its kinetic energy plus its potential energy Thanks, jessica :)

Science (energy)
1. What similarities do nuclear energy and chemical energy share? Choose all that apply. A. Both are types of kinetic energy. B. Both are types of potential energy. [CORRECT!] C. Both involve magnetic energy. D. Both involve stored energy. [CORRECT!] 2. A student is trying to ...

Science
When energy changes forms, the total amount of energy is conserved. However, the amount of useful energy is almost always less than the total amount of energy. Explain the energy conversions and unwanted energy that might be produced by the hinges of a squeaky door.

science
Suppose you put your lunch up on a shelf. Name two kinds of energy it has, and explain why. I think it would have potential energy because it has stored energy being off the ground, but what other energy?

science
1.what similarities do nuclear energy and chemical energy share?pick all that apply A.both are types of kinetic energy. B.both are types of potential energy C.both involve magnetic energy D.both involve stored energy (I PICK B AND D) 3.the energy an object has due to its ...

science(answer please)
please answer these 1.what similarities do nuclear energy and chemical energy share?pick all that apply A.both are types of kinetic energy. B.both are types of potential energy C.both involve magnetic energy D.both involve stored energy 3.the energy an object has due to its ...

Science
Bobbie is playing with his radio-controlled car by using a handheld remote box. What type of energy is being used to power Bobbie's car? a)chemical energy b)electrical energy c)heat energy d)mechanical energy THANKS!!!!!

Science
Bobbie is playing with his radio-controlled car by using a handheld remote box. What type of energy is being used to power Bobbie's car? a)chemical energy b)electrical energy c)heat energy d)mechanical energy THANKS!!!!!

Science
I really need help in Science. Right now in science we are doing renewable energy. For the assignment we have two choices, a house or car of the future, I decided to do a house. The question is, "How could renewable energy sources be used in a house?" For the house you, ...

Science
Which of these is not associated with camp ton effect? (a)when energy exceeds 1.02MeV. (b)energy of gamma-ray become less. (c)operative within the range of 0.6Mev and 4MeV of energy. (d)it doesn't result in low energy secondary radiation.

Env Science
Distinguish between high-quality energy and low-quality energy, and give an example of each. Relate these terms to energy efficiency High-quality energy is energy that can be converted to work, with a high conversion efficiency. Two examples are electrical energy and ...

Science
A spherical rock rests at the top of a steep hill. the rock has A)Potential Energy B) Chemical energy C)Kinetic energy or D) no energy i think it's A or B but I'm not sure. thanks

Science please
Kinetic energy and Potential energy are often considered to be forms of mechanical energy. List three other forms of energy and state a source for each.

science
what similarities do nuclear energy and chemical energy share? select all that apply. A) both are types of kinetic energy B) both are types of potential energy C) both involve magnetic energy D) both involve stored energy please help! anybody just anybody!

Science
The Lactic Acid System a. supplies energy needed to walk or cycle continuously b. provides energy to pitch a baseball c. creates energy needed to pass another 5k participant with a burst on energy. d. none of these

Science
Wil kinetic energy increase or decrease based on the amount of potential energy it starts with?? If potential energy is lost, KEnergy increases. Potential Energy + kinetic energy= constant.

Science
During the process of photosynthesis, plants convert carbon dioxide and water into glucose. Covalent bonds hold the glucose molecules together. The breaking of the covalent bonds during digestion releases energy. the type of energy released is A.nuclear energy B.kinetic energy...

Science
Batteries change ____ energy into _____ energy Chemical and electric Converting the suns energy into electricity does not work if it is ____ time or there is ___ weather night and bad? The suns energy can be turned into electrical energy or ___ energy solar? A toaster ...

Science 6
When you turn on a battery powered flashlight, you transform... A:heat energy into light and chemical energy. B:chemical energy into electrical energy and light. C:heat energy into chemical energy and light. D:eletrical energy and light energy into chemical energy. I think B ...

science Please Help
During the process of photosynthesis, plants convert carbon dioxide and water into glucose. Covalent bonds hold the glucose molecules together. The breaking of the covalent bonds during digestion releases energy. the type of energy released is A.nuclear energy B.kinetic energy...

Science
If an object's mechanical energy is equal to its potential energy, how much kinetic energy does it have? how do you know?

science
a 2kg stone is dropped from the top of a 20 buliding (a) at what height does its potential energy energy equal to its kinetic energy?

Assist me Plzz!
What is the p.d. between 2 points in a circuit if 200J of electrical energy are changed to other forms of energy when 25 coulombs of electric charge pass? If the charge flows in 10 seconds, what is the current? Science help needed here. Vq=energy you know q, and energy.

science(physics)
A 2kg stone is droped from the top of a 20m building a)what potential energy does it posses b)At what height does its potential energy become equal to its kinetic energy? c)what is its kinetic energy just before it hits the ground? d)With what velocity does it reach the ground...

Int.science
When a motor is turned on, electrical energy is transformed to mechanical energy plus heat energy. True False

Science 8R - help (please read!!!)
Homework - Pick 4 out of the 6 forms (types) of energy and gives an example of each from your house. Types/Forms of Energy 1. Mechanical Energy 2. Electrical Energy 3. Electromagnetic Energy 4. Heat Energy 5. Chemical Energy 6. Nuclear Energy I'm picking heat and mechanical, ...

Science
Using water to generate energy,show the steps in this process to describe what kind of energy are represented or energy conversions are taking place.

science(check answers)
2.how would the kinetic energy of a 12,000-kg train compare with the kinectic energy of a 900-kg compact car if both were traveling at the same speed? A.the trains kinectic energy would be equal to the cars kinectic energy. B.the trains kinectic energy would be greater than ...

Science 6
during the process of photosynthesis, plants convert carbon dioxide and water into glucose. Covalent bonds hold the glucose molecules together. the energy stored in these covalent bonds is called? A:nuclear energy. B:thermal energy. C:electrical energy. D:chemical energy. I ...

Science
A generator transforms A. Potential energy into kinetic energy B. mechanical energy into electrical energy***** C. Magnetic energy into electrical energy D. Friction into electrical energy Electrical charges that are different A. Attracts each other**** B. repel each other C. ...

Physical Science- Atomic Structure
An electron jumps from energy level 1 to energy level 2 by absorbing a photon of energy 8 eV. What is the most likely energy of the photon that will be emitted by the electron when it moves back down to energy level 1? 2 eV 4 eV 8 eV 12 eV

Science Energy
My assignment was to give drawn examples of the 7 forms of energy. I am having trouble with Chemical and Nuclear. My science teacher used a plant as an example for chemical energy but I don't know what she meant. Also I can't think of an example for nuclear. Would a nuclear ...

science
In the fissioning of uranium, a chain reaction is caused by? ejected neutrons. the enormous energy release. the kinetic energy of the decay products. the conversion of mass to energy.

Earth Science
1. Is it true that since energy cannot be created nor destroyed, the total energy of the river system remains constant? 2. What is the source of energy that powers the water cycle? a. sunlight insolation b. kinetic energy c. radioactive decay d. gravitational potential energy ...

Science
A ball has a potential energy of 180 J and a kinetic energy of 0 J. After falling 2m, it has a potential energy of 135J. What is its kinetic energy at this point? PLEASE ANSWER THIS I'M STUCK!

Science
True/False - A generator that doubles the electrical energy from a wall outlet without any additional input of energy will work. - The total amount of energy in the universe is constant. thank you

physical science
If gravity is the only force present, what is the total mechanical energy of a box falling of a truck at a time when it's potential energy is 100J and it's kinetic energy is 150J?

science
A ball sitting on the top of a table has potential energy but no kinetic energy. How do potential and kinetic energy change as the ball falls off the table to the floor? A. Its potential energy increases, and its kinetic energy decreases. B. Its potential energy decreases, and...

science
A ball sitting on the top of a table has potential energy but no kinetic energy. How do potential and kinetic energy change as the ball falls off the table to the floor? A. Both its potential energy and its kinetic energy decrease. B. Both its potential energy and its kinetic ...

Science
2.)A car driver accelerates to a speed of 35 mph and then takes her foot of the gas pedal.Even though she does not press the brake pedal at any time,she eventually rolls to a stop.which of the following most likely causes the car to come to a stop? A.kinetic energy is ...

Science
The law of conservation of energy states that energy can neither be created nor destroyed. In many instances it may look as though energy is gained or lost, but it is really only changed in form. How is the law of conservation of energy represented when an archer shoots an ...

Science
Identify the sources of energy used to power a cell phone and other energies that it can transform into. I put Electrical Energy and it can be transformed to heat,sound,light,and mechanical energy.

Science
What type of energy from the Sun do plants use to make their own food? A.Chemical Energy B.Sound Energy C.Light Energy D.Heat Energy C? An MP3 player uses the chemical energy in a battery to produce electricity energy. The electrical energy makes the player work.When turned on...

Science
Please help me on my science homework....Motor A uses 1000 joules of energy to move 200 newtons of force a distance of 3 meters. Motor B uses 1200 joules of energy to do the same job. What is the difference in percent efficiency between Motor A and Motor B? Percent efficiency...

Science
Classify each of the following as examples of kinetic or potential energy. a) a car driving along a level road. b) an elastic band is stretched to twice its normal length c) a book is at rest on the top shelf of a bookcase d) a lightning bolt produces thunder that travels at ...

science
please help me im stuck on this last one !! .A car driver accelerates to a speed of 35 mph and then takes her foot of the gas pedal.Even though she does not press the brake pedal at any time,she eventually rolls to a stop.which of the following most likely causes the car to ...

Science
I do understand what the terms balanced energy and the term unbalanced energy mean when it relates to science. Please help me understand.

Science
A ball has a potential energy of 180 J and a kinetic energy of 0 J. After falling 2m, it has a potential energy of 135J. What is its kinetic energy at this point?

science help
Which of the following is considered a drawback to using wind energy as a source of power? Wind energy is highly polluting. Wind energy is nonrenewable. Winds do not always blow consistently. Winds produce lesser quality energy than other sources. is it c

Science
Give one example of a series of energy transformations. For example solar energy from a plant changes to kinetic energy in an animal's body and so on.

Science again...
What other form is released by a radio. A. Heat Energy B. Mechanical Energy C. Ultraviolet Radiation UV? Can you get a tan from your radio? What is that sound...is it mechanical energy? IS the radio warm? Heat energy because c is something to do with the sun b is mechanical ...

Science
1. Massive amounts of destructive energy are released when a nuclear fission bomb explodes. Where does that energy come from? a) A chain reaction occurs when uranium atoms split, releasing nuclear energy. b) Molecules break down, releasing chemical energy. c) Hydrogen atoms ...

Science
Which type of energy in the bungee chord prevents the bungee jumper from hitting the ground after a jump? A. kinetic energy B. elastic potential energy *** C. magnetic potential energy D. thermal energy -- Side note: Please help. I am not asking for the answer, I'm simply ...

Science
A golf ball and a ping-pong ball are dropped in a vacuum chamber. When they have fallen halfway down, they have the same... A.speed B.potential energy C.kinetic energy D.Rest Energy my thought is that its c, kinetic energy...but i'm not 100% sure

science
what is the big idea of energy? The big idea for me is that mass and energy is one in the same, that each can be converted to the other. For some others, the big idea is that Entropy is created from useful energy, and in natural processes, that energy cannot be reclaimed.

science(check answers)
can someone check my answer thanks ! 2.The ability to do work or cause change is called A.velocity. B.energy.(I PICK B.) C.transfer. D.friction. 3.Which type of energy is demonstrated by a person jogging? A.electrical energy B.nuclear energy C.electromagnetic energy D.kinetic ...

science
Identify the fruit or vegetable you selected and relate the second law of thermodynamics to the changes in energy observed in Appendix C. How did the amount of energy gained compare to the amount of energy lost as heat at the second through fourth trophic levels? o Answer the ...

Science - Please Help!!!
when you turn on a battery powered flashlight, you transform A - Heat energy into light and chemical energy. B - Chemical energy into electrical energy and light. C - Heat energy into chemical energy and light D - Electrical energy and light energy into chemical energy. I ...

Science
Compare how much kinetic energy and potential energy the ball has at each point and describe why the ball has that energy

science (check new answer)
please check my answser .A car driver accelerates to a speed of 35 mph and then takes her foot of the gas pedal.Even though she does not press the brake pedal at any time,she eventually rolls to a stop.which of the following most likely causes the car to come to a stop? A....

Science 8
When you turn on a battery-powered flashlight, you transform A.) Heat energy into light and chemical energy. B.) Chemical energy into electrical energy and light. C.) Heat energy into chemical energy and light. D.)Electrical energy and light energy into chemical energy. Is it ...

Science
Consider which is not an example of how an object gains elastic potential energy by stretching is a trampoline part In what form are all potential energy the same What is making an ice block to melt Describe three forms of energy Imagine that you push on a large rock.At what ...

Science Question
How can you post this under Science? The question is better asked in a grouping of adherents to magic, and fancy. Explain the nature and use of Vril energy. What are some of the potential dangers and drawbacks of the use of Vril energy in modern technology? Thank you for using...

Science
which of the following statements best describes the energy of a waterfall? A) The water has Kinetic energy because of its position at the top of the water fall B)potential Energy changes to Kinetic Energy as the waterfalls. C)kinetic energy changes to potential energy as the ...

science
the law of ? of energy states that energy can never be destroyed or created Law of conservation of energy.

Science
which of the following is true about kinetic energy select all that apply A as an objects speed increases kinetic energy decreases B only moving objects have kinetic energy ••• C kinetic energy increases as an objects height increases D kinetic energy depends on an ...

Science
I need help writhing an Essay about Energy! I have to includ at least 9 of these words listed below ; - heat energy - energy transfer -molecules -motion -traveled -data -centimeters -minutes -observations -colder -warmer -conduction PLLLLLLEEEEEEAAAAAAAASSSSSSEEE HELP!!! (:

Science
i have to make an energy converter for a science project. it should include at least four energy conversions and the energies should include a renewable energy...i did a research and found a website that shows how to make a hydroelectric generator>;i made the hydroelectric ...

Science
Electrical energy can come rom 3 types of energy: __________, __________, and __________. heat, nuclear, solar energy (sunlight)_ Thankz! :)

Science
The potential energy of a golf ball in a hole is negative with respect to the ground. Under what circumtansces (if any) is the ball's kinetic energy? Its rest energy? The KE cannot be negative, nor can the rest energy be negative.

Physical Science
Can someone please check these answers for me? Write T for True or F for False for each statement: 1.Kinetic energy is the energy of motion - T 2.Kinetic energy doesn't depend on an object's direction. - T 3.When an object stops moving, its kinetic energy is zero. - T 4.As the...

physical science
A boy with a mass of 30 kg stands motionless at the end of a diving board 3 m above the floor. The boy has: Answer no energy. kinetic energy only. potential energy only. both kinetic and potential energy.

Science
when you turn on a battery powered flashlight, you transform A - Heat energy into light and chemical energy. B - Chemical energy into electrical energy and light.*** C - Heat energy into chemical energy and light D - Electrical energy and light energy into chemical energy. B?

Science! Biology 1
Question: Which of following best describes the free-energy requirements of an organism? Answer Choices: During times of hibernation large amounts of free energy are required. Free-energy demand is consistent for all heterotrophs. The organism requires free energy in all ...

Physical Science
If no friction acts on a diver during a dive, then which of the following statements is true? A. The total mechanical energy of the system increases. B. Potential energy can be converted into kinetic energy but not vice versa. C. (KE+ PE)beginning = (KE + PE)end D. all of the ...

Science
.Define the following terms and provide a example of each: -atom, - compound, - element, -energy, - photosynthesis, -matter, - decomposition. Write it in your own words. . Explain the forms of energy: radiant, chemical, mechanical, electrical, thermal. . What is a food chain...

Science
Explain, with the help of an appropriate labelled sketch diagram, how a hydrogen atom, which has only one electron, has so many spectral lines. The diagram of the energy levels follows...

Science
5 examples of (A)Source of kinetic energy (B)Source of potential energy (C)Chemical energy

Science
What is the difference between conserving energy and energy efficiency? What are 5 benefits of conserving energy?

science
the potential energy of a golf ball in a hole is negative with respect to the ground. Under what circumstances(if any) is the ball's kinetic energy negative? Its rest energy? The kinetic energy of the ball is zero when it isnt moving, whether it is ion the hole or not. Kinetic...

physical science
what form of energy do people use? & also doesnt E=mc squared mean energy=mass times ? squared.... & how does increasing height affect gravitational potential energy? ~i have a HUGE semester final~ 100+ questions...~

science
A nail is driven into a board with an initial kinetic energy of 150 j. If the potential energy before and after the event is the same, what is the change in the internal energy of the board and nail?

Science
Which statement is true regarding nuclear energy? (Points : 1) Since 2005, global private investments in nuclear energy totaled $100 million dollars. Nuclear plants cost 2-3 times as much as new windpower to build. Nuclear energy currently produces 50% of the U.S.’s energy ...

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