Gr 9 NATURAL SCIENCES: CH 3.6 Nuclear power in South Africa

What is the primary process used to generate electricity in a nuclear power station?

Nuclear fission

What is the term for the process of splitting a heavy atomic nucleus into two smaller nuclei?

Nuclear fission

What is the byproduct of nuclear fission?

Energy and radiation

What is the term for the spontaneous emission of particles from unstable atomic nuclei?

Radioactive decay Signup and view all the answers

What is the name of the commercial nuclear power station located in Cape Town?

Koeberg Power Station Signup and view all the answers

What is the term for the energy produced from controlled nuclear reactions?

Nuclear power Signup and view all the answers

What is the process of combining two light atomic nuclei to form a heavier nucleus?

Nuclear fusion Signup and view all the answers

What is the center of an atom called?

Nucleus Signup and view all the answers

When did nuclear power become feasible for electricity generation?

Early 20th century Signup and view all the answers

What is the definition of radioactive?

Emitting radiation as a result of the decay of atomic nuclei Signup and view all the answers

What is the primary fuel used in nuclear power stations?

Uranium Signup and view all the answers

What is the purpose of control rods in a nuclear reactor?

To regulate the fission process Signup and view all the answers

What is the function of the steam generator in a nuclear power plant?

To boil water and produce steam Signup and view all the answers

What is the main advantage of nuclear power in terms of energy production?

High energy density Signup and view all the answers

What is a major disadvantage of nuclear power?

Radioactive waste Signup and view all the answers

What is the purpose of the cooling system in a nuclear power plant?

To ensure the reactor and other components remain at safe operating temperatures Signup and view all the answers

What was the consequence of the Fukushima-Daiichi disaster in 2011?

A release of radiation and a partial meltdown Signup and view all the answers

What is the purpose of the containment structure in a nuclear power plant?

To prevent radiation leakage Signup and view all the answers

What is a characteristic of nuclear power plants compared to some renewable energy sources?

Reliability Signup and view all the answers

What is a safety measure in nuclear power plants?

Continuous monitoring and safety protocols Signup and view all the answers

What is the main reason why uranium is used as the primary fuel in nuclear power stations?

Its ability to undergo fission and slow radioactive decay Signup and view all the answers

What is the purpose of the turbine in a nuclear power plant?

To generate electricity Signup and view all the answers

What is a major advantage of nuclear power generation compared to fossil fuels?

Lower greenhouse gas emissions Signup and view all the answers

What is a major challenge associated with nuclear power?

Radioactive waste disposal Signup and view all the answers

What is the primary function of the containment structure in a nuclear power plant?

To prevent radiation leakage Signup and view all the answers

What is a characteristic of nuclear power plants compared to some renewable energy sources?

Reliability Signup and view all the answers

What was the consequence of the Fukushima-Daiichi disaster in 2011?

A partial meltdown and release of radiation Signup and view all the answers

What is the purpose of monitoring in nuclear power plants?

To protect workers and the environment from radiation exposure Signup and view all the answers

What is a characteristic of the fuel used in nuclear power stations?

High energy density Signup and view all the answers

What is the purpose of the cooling system in a nuclear power plant?

To ensure safe operating temperatures Signup and view all the answers

What occurs during the process of nuclear fission?

A heavy atomic nucleus splits into two smaller nuclei, releasing energy Signup and view all the answers

What is the purpose of a nuclear power station?

To harness the energy from nuclear fission to produce electricity Signup and view all the answers

What is the result of radioactive decay?

The transformation of an unstable nucleus into a different element Signup and view all the answers

Why did researchers find nuclear power to be practical for electricity generation?

Because the discovery of nuclear fission made it possible to harness energy from radioactive materials Signup and view all the answers

What is the main component of an atom that determines its identity?

Protons Signup and view all the answers

What is the term for the energy released from the decay of atomic nuclei?

Radioactive energy Signup and view all the answers

What is the purpose of the nucleus in an atom?

To contain protons and neutrons Signup and view all the answers

What is a characteristic of unstable atomic nuclei?

They spontaneously emit particles, releasing radiation Signup and view all the answers

What is the significance of the discovery of nuclear fission in the 1930s?

It made nuclear power practical for electricity generation Signup and view all the answers

What is the role of protons in an atom?

To determine the identity of an element Signup and view all the answers

What is the primary reason why uranium is used as the primary fuel in nuclear power stations?

Its slow radioactive decay Signup and view all the answers

What is the purpose of the containment structure in a nuclear power plant?

To prevent radiation leakage Signup and view all the answers

What is a major challenge associated with nuclear power?

Radioactive waste disposal Signup and view all the answers

What is the advantage of nuclear power compared to fossil fuels?

Minimal greenhouse gas emissions Signup and view all the answers

What is the purpose of the turbine in a nuclear power plant?

To drive the generator Signup and view all the answers

What is the result of a nuclear meltdown?

A release of radioactive materials Signup and view all the answers

What is the purpose of monitoring in nuclear power plants?

To detect radiation leaks Signup and view all the answers

What is a characteristic of nuclear fuel?

High energy density Signup and view all the answers

What is the consequence of not having a cooling system in a nuclear power plant?

Uncontrolled fission reaction Signup and view all the answers

What is the primary function of control rods in a nuclear reactor?

To regulate the fission reaction Signup and view all the answers

What is the primary reason why nuclear power stations use nuclear fission instead of nuclear fusion?

Nuclear fission is currently more technologically feasible than nuclear fusion. Signup and view all the answers

What is the result of the radioactive decay of an unstable nucleus?

The nucleus transforms into a different element. Signup and view all the answers

What is the role of neutrons in an atomic nucleus?

They have no significant role in the nucleus. Signup and view all the answers

Why is nuclear power considered a viable alternative to fossil fuels?

It generates less greenhouse gas emissions than fossil fuels. Signup and view all the answers

What is the purpose of the nucleus in an atom?

To determine the identity of the element. Signup and view all the answers

What is a characteristic of radioactive materials?

They emit radiation spontaneously. Signup and view all the answers

What is the significance of the discovery of nuclear fission in the 1930s?

It enabled the harnessing of nuclear energy for electricity generation. Signup and view all the answers

What is the primary component of an atom that determines its chemical properties?

Protons. Signup and view all the answers

What is the term for the energy released from the decay of atomic nuclei?

Nuclear energy. Signup and view all the answers

Why did researchers find nuclear power to be practical for electricity generation?

Because radioactive materials release substantial energy upon decaying. Signup and view all the answers

Gr 9 NATURAL SCIENCES: CH 3.6 Nuclear power in South Africa

Questions and Answers

What is the primary process used to generate electricity in a nuclear power station?

What is the term for the process of splitting a heavy atomic nucleus into two smaller nuclei?

What is the byproduct of nuclear fission?

What is the term for the spontaneous emission of particles from unstable atomic nuclei?

What is the name of the commercial nuclear power station located in Cape Town?

What is the term for the energy produced from controlled nuclear reactions?

What is the process of combining two light atomic nuclei to form a heavier nucleus?

What is the center of an atom called?

When did nuclear power become feasible for electricity generation?

What is the definition of radioactive?

What is the primary fuel used in nuclear power stations?

What is the purpose of control rods in a nuclear reactor?

What is the function of the steam generator in a nuclear power plant?

What is the main advantage of nuclear power in terms of energy production?

What is a major disadvantage of nuclear power?

What is the purpose of the cooling system in a nuclear power plant?

What was the consequence of the Fukushima-Daiichi disaster in 2011?

What is the purpose of the containment structure in a nuclear power plant?

What is a characteristic of nuclear power plants compared to some renewable energy sources?

What is a safety measure in nuclear power plants?

What is the main reason why uranium is used as the primary fuel in nuclear power stations?

What is the purpose of the turbine in a nuclear power plant?

What is a major advantage of nuclear power generation compared to fossil fuels?

What is a major challenge associated with nuclear power?

What is the primary function of the containment structure in a nuclear power plant?

What is a characteristic of nuclear power plants compared to some renewable energy sources?

What was the consequence of the Fukushima-Daiichi disaster in 2011?

What is the purpose of monitoring in nuclear power plants?

What is a characteristic of the fuel used in nuclear power stations?

What is the purpose of the cooling system in a nuclear power plant?

What occurs during the process of nuclear fission?

What is the purpose of a nuclear power station?

What is the result of radioactive decay?

Why did researchers find nuclear power to be practical for electricity generation?

What is the main component of an atom that determines its identity?

What is the term for the energy released from the decay of atomic nuclei?

What is the purpose of the nucleus in an atom?

What is a characteristic of unstable atomic nuclei?

What is the significance of the discovery of nuclear fission in the 1930s?

What is the role of protons in an atom?

What is the primary reason why uranium is used as the primary fuel in nuclear power stations?

What is the purpose of the containment structure in a nuclear power plant?

What is a major challenge associated with nuclear power?

What is the advantage of nuclear power compared to fossil fuels?

What is the purpose of the turbine in a nuclear power plant?

What is the result of a nuclear meltdown?

What is the purpose of monitoring in nuclear power plants?

What is a characteristic of nuclear fuel?

What is the consequence of not having a cooling system in a nuclear power plant?

What is the primary function of control rods in a nuclear reactor?

What is the primary reason why nuclear power stations use nuclear fission instead of nuclear fusion?

What is the result of the radioactive decay of an unstable nucleus?

What is the role of neutrons in an atomic nucleus?

Why is nuclear power considered a viable alternative to fossil fuels?

What is the purpose of the nucleus in an atom?

What is a characteristic of radioactive materials?

What is the significance of the discovery of nuclear fission in the 1930s?

What is the primary component of an atom that determines its chemical properties?

What is the term for the energy released from the decay of atomic nuclei?

Why did researchers find nuclear power to be practical for electricity generation?

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Gr 9 NATUURWETENSKAPPE: HFST 3.6 Kernkrag in Suid-Afrika