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