Nuclear Fusion (Edexcel GCSE Physics Combined Science): Flashcards
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Nuclear fusion process
Nuclear fusion process
Two small nuclei collide and fuse to make a larger nucleus
Common example of nuclear fusion
Common example of nuclear fusion
Two types of hydrogen fuse to form helium
Mass of nucleus after fusion
Mass of nucleus after fusion
Slightly less than sum of original two nuclei
Lost mass in fusion becomes
Lost mass in fusion becomes
Energy
Form of energy released in fusion
Form of energy released in fusion
Gamma rays
Conditions needed for nuclear fusion
Conditions needed for nuclear fusion
Very high temperatures and pressures
Natural fusion reactor
Natural fusion reactor
The sun
Fusion efficiency vs fission
Fusion efficiency vs fission
Fusion is much more efficient than fission
Fusion electricity generation status
Fusion electricity generation status
Not yet achieved
Why fusion reactors difficult to build
Why fusion reactors difficult to build
Need very high temps & pressures, very expensive
What fusion and fission both do
What fusion and fission both do
Extract energy from nuclei
Positive net energy fusion on Earth
Positive net energy fusion on Earth
No design has accomplished this yet