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    solar-powered cars use energy from the sun to work. a panel on the car absorbs light energy from the sun, which then generates an electric current. this electric current, in turn, allows the car to move. which shows the correct order of energy transformations that take place in a solar-powered car?

    James

    Guys, does anyone know the answer?

    get solar-powered cars use energy from the sun to work. a panel on the car absorbs light energy from the sun, which then generates an electric current. this electric current, in turn, allows the car to move. which shows the correct order of energy transformations that take place in a solar-powered car? from EN Bilgi.

    Energy Transformations

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    Science

    7th

    7th Energy Transformations

    Elizabeth Jones 5 plays

    16 Qs

    Show Answers See Preview 1. Multiple-choice 30 seconds 5 pts Q.

    What are the two main types of energy?

    answer choices

    radiant and chemical

    thermal and radiant

    potential and chemical

    kinetic and potential

    2. Multiple-choice 30 seconds 5 pts Q.

    Which activity directly converts energy from the Sun into chemical energy?

    answer choices

    a snake lying on a sunny rock to keep warm

    a rabbit using energy from food it has eaten to run

    a bean plant making its own food to grow

    a person burning firewood to cook food

    3. Multiple-choice 30 seconds 5 pts Q.

    The image shows a dam. Which descriptions best fit the labels?

    answer choices X: kinetic energy Y: potential energy X: potential energy Y: kinetic energy

    X: mechanical energy

    Y: electrical energy

    X: electrical energy

    Y: mechanical energy

    4. Multiple-choice 30 seconds 5 pts Q.

    Savion listed the steps involved when nuclear power plants generate electricity.

    1. Nuclear reaction occurs. 2. Nuclear energy is converted to radiant and thermal energy. 3. Heat is used to generate steam. 4. Light and heat are released. 5. Steam turns turbines. 6. Mechanical energy is converted to electrical energy.

    Which best explains how to correct Savion’s error?

    answer choices

    In step 2, change “radiant and thermal ” to “chemical and mechanical.”

    Reorder the steps so that step 4 appears before step 3.

    Reorder the steps so that step 6 appears before step 5.

    In step 6, change “mechanical” to “thermal.”

    5. Multiple-choice 30 seconds 5 pts Q.

    The human body stores chemical energy from digested food. Some of the chemical energy is converted into mechanical energy when the body moves. Which statement is best supported by this information?

    answer choices

    The body does not convert chemical energy to thermal energy.

    The body does not convert chemical energy to kinetic energy.

    Digested food is a source of potential energy.

    Digested food is a form of radiant energy.

    6. Multiple-choice 30 seconds 5 pts Q.

    The human body stores chemical energy from digested food. Some of the chemical energy is converted into mechanical energy when the body moves. Which statement is best supported by this information?

    answer choices

    The body does not convert chemical energy to thermal energy.

    The body does not convert chemical energy to kinetic energy.

    Digested food is a source of potential energy.

    Digested food is a form of radiant energy.

    7. Multiple-choice 30 seconds 5 pts Q.

    Plants are responsible for a very important energy transformation, as shown. Which energy transformation does the picture best illustrate?

    answer choices radiant to chemical

    nuclear to mechanical

    chemical to thermal

    mechanical to chemical

    8. Multiple-choice 30 seconds 5 pts Q.

    Energy can be transformed from one form to another. The diagram shows one such process. Which energy transformation is represented in the diagram?

    answer choices

    nuclear to thermal and radiant

    nuclear to electrical and chemical

    chemical to nuclear and radiant

    chemical to electrical and nuclear

    9. Multiple-choice 30 seconds 5 pts Q.

    Solar-powered cars use energy from the Sun to work. A panel on the car absorbs light energy from the Sun, which then generates an electric current. This electric current, in turn, allows the car to move. Which shows the correct order of energy transformations that take place in a solar-powered car?

    answer choices

    electrical, chemical, kinetic

    electrical, kinetic, radiant

    radiant, chemical, electrical

    radiant, electrical, mechanical

    10. Multiple-choice 30 seconds 5 pts Q.

    Eddie and Val observed the picture of an athlete running in a race. Eddie stated the picture shows potential energy being transformed to kinetic energy. Val stated that it shows chemical energy being transformed to mechanical energy. Which best explains who is correct?

    answer choices

    Only Eddie is correct because the picture does not show a transformation that starts with chemical energy.

    Only Eddie is correct because the picture does not show a transformation that ends with mechanical energy.

    Both Eddie and Val are correct because chemical energy is a type of potential energy and mechanical energy includes kinetic energy.

    Both Eddie and Val are correct because chemical energy is a type of kinetic energy and mechanical energy includes potential energy.

    11. Multiple-choice 30 seconds 5 pts Q.

    During nuclear fission and fusion, what is matter that seems to disappear actually converted into?

    answer choices mass energy volume nuclei 12. Multiple-choice 30 seconds 5 pts Q.

    The diagram shows a swinging pendulum. Which best explains what happens to the motion of the pendulum due to the law of conservation of energy?

    Source : quizizz.com

    Energy Transformations Flashcards

    Start studying Energy Transformations. Learn vocabulary, terms, and more with flashcards, games, and other study tools.

    Energy Transformations

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    What are the two main types of energy?

    Click card to see definition 👆

    kinetic and potential

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    Almost all energy on Earth comes from the?

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    Sun

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    1/10 Created by Balliegirl

    Terms in this set (10)

    What are the two main types of energy?

    kinetic and potential

    Almost all energy on Earth comes from the?

    Sun

    Plants are responsible for a very important energy transformation, as shown. Which energy transformation does the picture best illustrate?

    Radiant to chemical

    What happens in terms of energy when a moving car hits a parked car, causing the parked car to move?

    The moving car transfers kinetic energy to the parked car.

    Solar-powered cars use energy from the Sun to work. A panel on the car absorbs light energy from the Sun, which then generates an electric current. This electric current, in turn, allows the car to move. Which shows the correct order of energy transformations that take place in a solar-powered car?

    radiant, electrical, mechanical

    Taro stated that when someone hits a golf ball with a club, the amount of energy the ball has changes, the amount of energy that the club has changes, and the total energy of the system that includes the ball and the club increases. Which best explains Taro's error?

    The total energy of the system remains the same.

    The human body stores chemical energy from digested food. Some of the chemical energy is converted into mechanical energy when the body moves. Which statement is best supported by this information?

    Digested food is a source of potential energy.

    As a person pushes a box across a floor, the energy from the person's moving arm is transferred to the box, and the box and floor become warm. During this process, energy is .

    conserved

    Eddie stated the picture shows potential energy being transformed to kinetic energy. Val stated that it shows chemical energy being transformed to mechanical energy. Which best explains who is correct?

    ...

    Which best describes Alana's error?

    ...

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    Verified answer ECONOMICS

    How does the elasticity of supply and demand for a product affect the size of a price change?

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    solar energy

    Solar energy is created by nuclear fusion that takes place in the sun. It is necessary for life on Earth, and can be harvested for human uses such as electricity.

    RESOURCE LIBRARY

    ENCYCLOPEDIC ENTRY 103

    Solar Energy

    Solar energy is created by nuclear fusion that takes place in the sun. It is necessary for life on Earth, and can be harvested for human uses such as electricity.

    GRADES 6 - 12+ SUBJECTS

    Earth Science, Engineering

    PHOTOGRAPH

    Solar Panels

    Solar energy is any type of energy generated by the sun. Solar energy can be harnessed directly or indirectly for human use. These solar panels, mounted on a rooftop in Germany, harvest solar energy and convert it to electricity.

    PHOTOGRAPH BY WONG HENG MENG, MY SHOT

    1/17

    Solar energy is any type of energy generated by the sun.

    Solar energy is created by nuclear fusion that takes place in the sun. Fusion occurs when protons of hydrogen atoms violently collide in the sun’s core and fuse to create a helium atom.

    This process, known as a PP (proton-proton) chain reaction, emits an enormous amount of energy. In its core, the sun fuses about 620 million metric tons of hydrogen every second. The PP chain reaction occurs in other stars that are about the size of our sun, and provides them with continuous energy and heat. The temperature for these stars is around 4 million degrees on the Kelvin scale (about 4 million degrees Celsius, 7 million degrees Fahrenheit).

    In stars that are about 1.3 times bigger than the sun, the CNO cycle drives the creation of energy. The CNO cycle also converts hydrogen to helium, but relies on carbon, nitrogen, and oxygen (C, N, and O) to do so. Currently, less than 2% of the sun’s energy is created by the CNO cycle.

    Nuclear fusion by the PP chain reaction or CNO cycle releases tremendous amounts of energy in the form of waves and particles. Solar energy is constantly flowing away from the sun and throughout the solar system. Solar energy warms the Earth, causes wind and weather, and sustains plant and animal life.

    The energy, heat, and light from the sun flow away in the form of electromagnetic radiation (EMR).

    The electromagnetic spectrum exists as waves of different frequencies and wavelengths. The frequency of a wave represents how many times the wave repeats itself in a certain unit of time. Waves with very short wavelengths repeat themselves several times in a given unit of time, so they are high-frequency. In contrast, low-frequency waves have much longer wavelengths.

    The vast majority of electromagnetic waves are invisible to us. The most high-frequency waves emitted by the sun are gamma rays, X-rays, and ultraviolet radiation (UV rays). The most harmful UV rays are almost completely absorbed by Earth’s atmosphere. Less potent UV rays travel through the atmosphere, and can cause sunburn.

    The sun also emits infrared radiation, whose waves are much lower-frequency. Most heat from the sun arrives as infrared energy.

    Sandwiched between infrared and UV is the visible spectrum, which contains all the colors we see on Earth. The color red has the longest wavelengths (closest to infrared), and violet (closest to UV) the shortest.

    Natural Solar Energy

    Greenhouse Effect

    The infrared, visible, and UV waves that reach the Earth take part in a process of warming the planet and making life possible—the so-called “greenhouse effect.”

    About 30% of the solar energy that reaches Earth is reflected back into space. The rest is absorbed into Earth’s atmosphere. The radiation warms the Earth’s surface, and the surface radiates some of the energy back out in the form of infrared waves. As they rise through the atmosphere, they are intercepted by greenhouse gases, such as water vapor and carbon dioxide.

    Greenhouse gases trap the heat that reflects back up into the atmosphere. In this way, they act like the glass walls of a greenhouse. This greenhouse effect keeps the Earth warm enough to sustain life.

    Photosynthesis

    Almost all life on Earth relies on solar energy for food, either directly or indirectly.

    Producers rely directly on solar energy. They absorb sunlight and convert it into nutrients through a process called photosynthesis. Producers, also called autotrophs, include plants, algae, bacteria, and fungi. Autotrophs are the foundation of the food web.

    Consumers rely on producers for nutrients. Herbivores, carnivores, omnivores, and detritivores rely on solar energy indirectly. Herbivores eat plants and other producers. Carnivores and omnivores eat both producers and herbivores. Detritivores decompose plant and animal matter by consuming it.

    Fossil Fuels

    Photosynthesis is also responsible for all of the fossil fuels on Earth. Scientists estimate that about 3 billion years ago, the first autotrophs evolved in aquatic settings. Sunlight allowed plant life to thrive and evolve. After the autotrophs died, they decomposed and shifted deeper into the Earth, sometimes thousands of meters. This process continued for millions of years.

    Under intense pressure and high temperatures, these remains became what we know as fossil fuels. Microorganisms became petroleum, natural gas, and coal.

    People have developed processes for extracting these fossil fuels and using them for energy. However, fossil fuels are a nonrenewable resource. They take millions of years to form.

    Source : education.nationalgeographic.org

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