Nuclear Reactions and Half-Life

Quiz
•
Science
•
9th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the Half Life of this isotope?
3 days
5 days
8 days
10 days
1 day
Tags
NGSS.HS-PS1-8
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What makes something radioactive?
elements with an atomic number above 80
unstable nuclei
contaminated sewage
stable nuclei
high energy electrons
Tags
NGSS.HS-PS1-8
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why does alpha decay occur?
The nucleus is too large to be stable
The proton to neutron ratio is unstable
The nucleus is in an excited state. This usually follows other types of decay.
The isotope has too many high energy electrons
The nucleus is too small to be viable by itself
Tags
NGSS.HS-PS1-8
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why does gamma decay occur?
The nucleus is too large to be stable
The proton to neutron ratio is unstable
The nucleus is in an excited state. This usually follows other types of decay.
The nucleus is too small to be viable by itself
The isotope has too many high energy electrons
Tags
NGSS.HS-PS1-8
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which reaction represents nuclear fission?
F
G
H
J
Tags
NGSS.HS-PS1-8
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the term for an ongoing series of nuclear reactions?
radiation
chain reaction
fusion
nucleotide
radioactivity
Tags
NGSS.HS-PS1-8
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nuclear fission of uranium-235 can start a chain reaction by
releasing enough thermal energy to start nuclear fission in neighboring atoms
producing two smaller atoms that can then strike and split neighboring atoms
producing neutrons that can then strike and split neighboring atoms
combining two atoms with low mass to form one large atom
after releasing high energy gamma photons it continues the process
Tags
NGSS.HS-PS1-8
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