Question 1

When the nucleus splits into two smaller nuclei, it is called _______________.

Accepted Answer

nuclear fission

Answer

nuclear fusion

Question 2

What are major problems of using fission?

Accepted Answer

storing waste and risk of accidents

Answer

creating too much energy and storing it

Answer

not making enough radioactive waste

Answer

losing power and storing waste

Question 3

What is the process where small nuclei join together?

Accepted Answer

fusion

Answer

fission

Question 4

What is an alpha particle made of?

Accepted Answer

2 protons and 2 neutrons

Answer

1 positron

Answer

4 protons

Answer

2 electrons and 2 neutrons

Question 5

What form of radiation has the highest penetrating ability?

Accepted Answer

gamma particles

Answer

delta particles

Answer

alpha particles

Answer

beta particles

Question 6

Where does hydrogen fusing take place?

Accepted Answer

sun's core

Answer

fusion power station

Answer

nuclear power plants

Answer

earth's core

Question 7

The time is takes for 50% of a specimen to decay is called _______________.

Accepted Answer

half-life

Answer

nuclear fission

Answer

radioactive energy

Answer

nuclear fusion

Question 8

What is the process called where atomic nuclei emit particles to become more stable?

Accepted Answer

radioavtive decay

Answer

chain reaction

Answer

nuclear fusion

Answer

nuclear fission

Question 9

What is the process called when an unstable nucleus gives off radiation?

Accepted Answer

radioactivity

Answer

chain reaction

Answer

fission

Answer

fusion

Question 10

What makes an isotope of an element?

Accepted Answer

different number of neutrons

Answer

different number of electrons

Answer

different number of quarks

Answer

different number of protons

Question 11

Who is the scientist that termed the word radioactivity?

Accepted Answer

Marie Curie

Answer

Henri Becquerel

Answer

Bill Nye

Answer

Albert Einstein

Question 12

Which type of radiation can be stopped by air or paper?

Accepted Answer

alpha particles

Answer

gamma particles

Answer

beta particles

Answer

delta particles

Question 13

What type of energy do power plants use today?

Accepted Answer

nuclear fission

Answer

nuclear fusion

Question 14

What particle is needed to start a nuclear reaction?

Accepted Answer

neutrons

Answer

electrons

Answer

protons

Answer

quarks

Question 15

What is an advantage of using nuclear fission?

Accepted Answer

less CO2 released

Answer

less power created

Answer

creates less energy

Answer

no radioactive waste produced

Question 16

What is an advantage of nuclear fusion?

Accepted Answer

no racdioactive waste

Answer

produces more isotopes

Answer

more energy created

Answer

smaller power plants

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