AQA GCSE Physics Unit 2.7

Beschreibung

Twenty questions on the seventh section of Unit 2 in AQA GCSE Physics: Energy from the nucleus.
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Zusammenfassung der Ressource

Frage 1

Frage
True or false? Nuclear fission is caused by firing a neutron at a fissionable nucleus.
Antworten
  • True
  • False

Frage 2

Frage
What is enriched uranium?
Antworten
  • Another term for U-235
  • A sample of uranium with about 2-3% fissionable U-235 in it
  • The term used for high-grade uranium

Frage 3

Frage
Which of these roles does water perform in a nuclear reactor?
Antworten
  • Reactor core
  • Pressuriser
  • Moderator
  • Control rods
  • Coolant

Frage 4

Frage
Which part of the nuclear fission reactor is made out of boron?
Antworten
  • Reactor core
  • Turbine
  • Control rods

Frage 5

Frage
Which type of nuclear reaction takes place in stars?
Antworten
  • Nuclear fission
  • Nuclear fusion

Frage 6

Frage
True or false? Two protons fuse to produce "heavy helium".
Antworten
  • True
  • False

Frage 7

Frage
True or false? In a fusion reactor, the temperature must be very high to overcome forces of reaction and the plasma must be contained in a magnetic field.
Antworten
  • True
  • False

Frage 8

Frage
What is the reaction product of fusion of hydrogen?
Antworten
  • Uranium
  • Lithium
  • Thorium
  • Helium

Frage 9

Frage
What type of radiation is radon gas a source of?
Antworten
  • Alpha
  • Beta
  • Gamma

Frage 10

Frage
Where was there a nuclear accident in 1986?
Antworten
  • Bikini Atoll
  • Fukushima
  • Chernobyl

Frage 11

Frage
How can workers reduce their radiation dose?
Antworten
  • Keeping a safe distance from radiation sources
  • Using lead or concrete sources to shield themselves
  • Wearing rubber gloves
  • Drinking a glass of water after exposure

Frage 12

Frage
When was the Big Bang?
Antworten
  • 3 million years ago
  • 13 million years ago
  • 3 billion years ago
  • 13 billion years ago

Frage 13

Frage
What name do we give a large cluster of stars?
Antworten
  • Comet
  • Constellation
  • Asterism
  • Galaxy

Frage 14

Frage
True or false? The "Dark Age" of the universe began when the universe became transparent.
Antworten
  • True
  • False

Frage 15

Frage
True or false? A protostar is a star that is at the end of its life cycle.
Antworten
  • True
  • False

Frage 16

Frage
Which stages would you expect a star to go through if it were a small main sequence star?
Antworten
  • Red supergiant
  • Red giant
  • White dwarf
  • Supernova
  • Black hole
  • Black dwarf
  • Neutron star

Frage 17

Frage
Which stages would you expect a star to go through if it were a large main sequence star?
Antworten
  • Red supergiant
  • Red giant
  • White dwarf
  • Supernova
  • Black dwarf
  • Black hole
  • Neutron star

Frage 18

Frage
What is the heaviest element that can be formed by nuclear fusion?
Antworten
  • Manganese
  • Iron
  • Cobalt

Frage 19

Frage
True or false? Heavy elements such as lead are formed during supernovae.
Antworten
  • True
  • False

Frage 20

Frage
True or false? The heaviest naturally-occurring element is mendelevium.
Antworten
  • True
  • False
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