Table of Contents
- 1 How energy is produced in the sun?
- 2 What is the layer of the sun through which energy is transferred away from the core by radiation?
- 3 Where does Sun get its energy?
- 4 How does the Sun produce energy quizlet?
- 5 How does the energy produced in the sun’s core reach the sun’s outer surface?
- 6 What type of electromagnetic energy is the sun’s heat energy?
- 7 Which layer of the sun gives off heat and light?
- 8 What produces most of the sun’s energy?
How energy is produced in 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.
What is the layer of the sun through which energy is transferred away from the core by radiation?
Unit 4, Lesson 3: The Sun
| A | B |
|---|---|
| radiative zone | layer of the sun which energy is transferred away from the core by radiation |
| core | very dense center of the sun |
| nuclear fusion | process by which tow or more low-mass atomic nuclei fuse to form another, heavier nucleus. |
| radiation | when energy is transferred as electromagnetic waves |
How does energy move in each layer of the sun?
The Radiative Zone – Energy moves slowly outward, taking more than 170,000 years to radiate through this layer of the Sun. The Convection Zone – Energy continues to move toward the surface through convection currents of the heated and cooled gas.
What are the 3 layers of the sun?
The inner layers are the Core, Radiative Zone and Convection Zone. The outer layers are the Photosphere, the Chromosphere, the Transition Region and the Corona.
Where does Sun get its energy?
nuclear fusion
Like most stars, the sun is made up mostly of hydrogen and helium atoms in a plasma state. The sun generates energy from a process called nuclear fusion. During nuclear fusion, the high pressure and temperature in the sun’s core cause nuclei to separate from their electrons.
How does the Sun produce energy quizlet?
Energy is made through the process of nuclear fusion. This is when two hydrogen nuclei join to make helium. This occurs in the sun’s core where there is very high pressure and temperature.
What type of electromagnetic energy is the Sun’s heat energy?
All of the energy from the Sun that reaches the Earth arrives as solar radiation, part of a large collection of energy called the electromagnetic radiation spectrum. Solar radiation includes visible light, ultraviolet light, infrared, radio waves, X-rays, and gamma rays. Radiation is one way to transfer heat.
What does the chromosphere of the Sun do?
The layer above the photosphere is the chromosphere. The chromosphere emits a reddish glow as super-heated hydrogen burns off. But the red rim can only be seen during a total solar eclipse. The chromosphere may play a role in conducting heat from the interior of the sun to its outermost layer, the corona.
How does the energy produced in the sun’s core reach the sun’s outer surface?
Energy moves through the sun in two main ways: by radiation and by convection. As energy moves outward from the sun’s core, it first enters the radiation zone. Energy from the radiation zone passes into the convection zone, the outer layer of the sun’s interior.
What type of electromagnetic energy is the sun’s heat energy?
What is the 4th layer of the Sun?
Convective Zone The fourth layer is a zone of boiling, bubbling plasma that transfers energy outward through a process called convection.
How does the sun produce energy quizlet?
Which layer of the sun gives off heat and light?
The Core: Let’s start at the innermost layer of the Sun, the core of the Sun. This is the very center of the Sun, where temperatures and pressures are so high that fusion can happen. The Sun is combining hydrogen into helium atoms, and this reaction gives off the light and heat that we see here on Earth.
What produces most of the sun’s energy?
Most of the sun’s energy is produced during nuclear fusion, in which the union of atomic nuclei from two lighter atoms (hydrogen) unite to form a new heavier atom with smaller mass (helium). The “extra” mass is converted into energy.
Which layer is hotter then the surface of the Sun?
The photosphere, which is outside the core, is the coolest layer. This is as expected, because normally heat passes outwardly from hot to cold. However, the Sun’s outermost atmospheric layer is much hotter than its surface layer! Astronomers have puzzled over this enigma for more than 50 years.
What is part of the Sun is its energy generated?
Sun energy is generated in its nucleus mainly through the thermonuclear reaction of hydrogen fusion into helium. In the form of electromagnetic waves this energy is then transmitted from the nucleus towards the surface of the Sun and further on in the surrounding space. The Sun’s energy is generated in its core.