630663
Descripción
Pregunta 1
Respuesta
-
Positive
-
Neutral
-
Negative
Pregunta 2
Pregunta
Radioactivity is measured in Becqurels (Bq)
Respuesta
- True
- False
Pregunta 3
Respuesta
-
The number of Protons
-
The number of Protons + Neutrons
-
The number of Neutrons + Electrons
Pregunta 4
Pregunta
In which of these types of decay does a particle lose two protons and two neutrons?
Respuesta
-
Beta decay
-
Alpha decay
Pregunta 5
Pregunta
What are the two methords of splitting atoms?
Respuesta
-
Cutting
-
Fusion
-
Splitting
-
Fission
Pregunta 6
Pregunta
A element is radiocative because its Nucleus has been made unstable
Respuesta
- True
- False
Pregunta 7
Pregunta
How is radioactive waste stored?
Respuesta
-
In well insulated store rooms
-
Burried in large tanks underground
-
Seeled in large glass like blocks burried deep within rocks
Pregunta 8
Pregunta
Nuclear reactors are designed to allow a controlled chain reaction
Respuesta
- True
- False
Pregunta 9
Pregunta
How do Nuclear power stations control the chain raction inside a reactor to prevent an explosion?
Respuesta
-
Control Rods are used to control the ammount of free neutrons
-
Temperature changes are used to slow down or speed up the reaction
Pregunta 10
Pregunta
Nuclear fusion involves two atomic nuclei joining togeather to make a larger nucleus
Respuesta
- True
- False
Pregunta 11
Pregunta
Radioactive materials are renewable so we will not run out of them soon
Image:
Renewable (image/jpg)
Respuesta
- True
- False
Pregunta 12
Pregunta
What are two common isotopes used as nuclear fuels?
Respuesta
-
uranium
-
bromium
-
hydrogen
-
plutonium
Pregunta 13
Pregunta
Radioactive Material is so harmful it causes the surrounding areas to become dangerous and unhabitable for years.
Image:
Cherbnobol (image/jpg)
Respuesta
- True
- False
Pregunta 14
Pregunta
Radioactive Material is so harmful it causes the surrounding areas to become dangerous and unhabitable for years.
Image:
Cherbnobol (image/jpg)
Respuesta
- True
- False
Pregunta 15
Pregunta
What is a half life?
Respuesta
-
The time it takes for the number of isotopes in a sample to halve
-
The time it takes for an radioactive material to loose its radioactivity
Pregunta 16
Pregunta
This graph shows the decay curve for a radioactive substance?
Respuesta
- True
- False
Pregunta 17
Pregunta
When a Nuclear power station produces electricity steam is used to turn a turbine. Which inturn causes a generator to produce electricity.
Respuesta
- True
- False
Pregunta 18
Pregunta
What are Control Rods in an Nuclear reactor made from?
Respuesta
-
Boron
-
Zinc
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