Nuclear fission and nuclear fusion

Question 1

Describe the structure of nuclei of isotopes

Answer 1

Question 2

Explain how atoms may gain or lose electrons to form ions

Answer 2

Question 3

what are alpha and beta particles and gamma rays

Answer 3

Question 4

give features of alpha, beta and gamma rays

Answer 4

Question 5

Compare alpha, beta and gamma radiations

Answer 5

Question 6

describe and explain nuclear reactions

Answer 6

Question 7

explain the fission of U-235

Answer 7

Question 8

Explain the principle of a controlled nuclear chain reaction

Answer 8

Question 9

Explain how the chain reaction is controlled in a nuclear reactor

Answer 9

Question 10

Describe how thermal (heat) energy from the chain reaction is converted into electrical energy in a nuclear power station

Answer 10

Question 11

what are the products of nuclear fission

Answer 11

Question 12

Describe nuclear fusion

Answer 12

Question 13

Explain the difference between nuclear fusion and nuclear fission

Question 14

Explain why nuclear fusion does not happen at low temperatures and pressures

Answer 14

Question 15

Relate the conditions for fusion to the difficulty of making a practical and economic form of power station

Answer 15

Question 16

Demonstrate an understanding that new scientific theories, such as ‘cold fusion’, are not accepted until they have been validated by the scientific community

Answer 16