What causes fusion to occur?
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What causes fusion to occur?
Nuclear Fusion reactions power the Sun and other stars. In a fusion reaction, two light nuclei merge to form a single heavier nucleus. The process releases energy because the total mass of the resulting single nucleus is less than the mass of the two original nuclei. The leftover mass becomes energy.
What are the conditions needed on Earth to make nuclear fusion happen?
In order to achieve fusion on Earth, gases need to be heated to extremely high temperatures of about 150 million degrees Celsius. That is 10 times more than the temperatures in the Sun’s core.
Where does fusion happen?
the sun
In nuclear fusion, two or more small nuclei combine to form a single larger nucleus, a neutron, and a tremendous amount of energy. Nuclear fusion of hydrogen to form helium occurs naturally in the sun and other stars. It takes place only at extremely high temperatures.
Where does fusion occur naturally?
sun
Fusion reactions occur naturally in stars like our sun, where two hydrogen nuclei fuse together under high temperatures and pressure to form a nucleus of helium. Energy is released as electromagnetic radiation such as light, infra-red radiation and ultra violet radiation , which then travels through space.
Which conditions are required to form 4 2 HE during the fusion reaction in the sun?
Conditions for Nuclear Fusion High temperature gives the hydrogen atoms enough energy to overcome the electrical repulsion between the protons. Fusion requires temperatures of about 100 million Kelvin (approximately six times hotter than the sun’s core).
How does fusion occur in the Sun?
The Sun shines because it is able to convert energy from gravity into light. This is what happens to the hydrogen gas in the core of the Sun. It gets squeeze together so tightly that four hydrogen nuclei combine to form one helium atom. This is called nuclear fusion.
At what temperature does fusion happen?
100 million degrees
On Earth, to produce net power, fusion reactions must take place at very high temperatures of at least 100 million degrees, which is some seven times hotter than the centre of the Sun. At these very high temperatures the fusion fuel turns into a plasma.
Does fusion occur in the Sun?
In the core of the Sun hydrogen is being converted into helium. This is called nuclear fusion. It takes four hydrogen atoms to fuse into each helium atom. Simply put, the Sun is a great ball of gas, hot enough to glow in every tier.
What conditions are required for nuclear fusion of hydrogen to occur quizlet?
Extremely high temperature and high density at the Sun’s core allow fusion to occur. You just studied 7 terms!
What fusion reaction occurs in the Sun?
nuclear fusion
In the core of the Sun hydrogen is being converted into helium. This is called nuclear fusion. It takes four hydrogen atoms to fuse into each helium atom. During the process some of the mass is converted into energy.