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WorksheetsUnit 18 (Drew and Josh)
Total questions: 40
Worksheet time: 25mins
Name
Class
Date
1.
Who established the existence of the nucleus?
a)
Dalton
b)
Rutherford
c)
Neutron
d)
Newton
2.
What does the nucleus consist of?
a)
Protons + Electrons
b)
Neutrons + Electrons
c)
Atoms
d)
Protons + Neutrons
3.
What are protons and neutrons made of?
a)
Quarks
b)
Electrons
c)
Particles
d)
Nucleus
4.
Forces of repulsion between protons would cause them to fly apart. But they are stable because of?
a)
Gravitational Force
b)
Strong Forces
c)
Magnetic Attraction
d)
The Moon
5.
In less massive elements, an isotope is stable if the ratio is?
a)
2:3
b)
16:9
c)
1:1
d)
3:2
6.
In more massive elements, an isotope is stable if the ratio is about
a)
3:2
b)
1:1
c)
2:3
d)
4:1
7.
Nuclei with too many or too few neutrons compared to the number of protons are?
a)
Calm
b)
Stable
c)
Neutral
d)
Radioactive
8.
Who discovered radioactivity in 1896?
a)
Henri Becquerel
b)
Dalton
c)
Rutherford
d)
Marie and Pierre Curie
9.
The discoverer of the radioactive elements polonium and radium
a)
Marie and Pierre Curie
b)
Dalton
c)
Henri Becquerel
d)
Bohr
10.
Who discovered the electron?
a)
Bohr
b)
Chadwick
c)
Einstien
d)
Thomson
11.
Who discovered the neutron?
a)
Bohr
b)
Chadwick
c)
Kanye
d)
DeGrasse Tyson
12.
Helium nuclei are the same as __________.
a)
Alpha Particles
b)
Beta Particles
c)
Protons
d)
Quark-Gluon Plasma
13.
Unstable nuclei emit radiation composed of ________ or energy nuclear radiation.
a)
Large particles
b)
Meteors
c)
Small particles
d)
Dot particles
14.
Beta particles are __________.
a)
Electrons
b)
Atoms
c)
Neutrons
d)
Protons
15.
The two kinds of beta decay are?
a)
Alpha and Gamma
b)
Strong and weak
c)
there is only one kind of decay
d)
+ and -
16.
Gamma radiation is composed of __________.
a)
Nuclei
b)
Electrons
c)
Electromagnetic rays
17.
Rate by penetrating power from lowest to highest:
a)
Alpha, Gamma, Beta
b)
Gamma, Beta, Alpha
c)
They all have the same penetrating power
d)
Alpha, Beta, Gamma
18.
_______ are stopped by paper
a)
Alpha Particles
b)
Beta Particles
c)
Gamma Rays
d)
All of the above
19.
________ particles are stopped by thin metal sheets
a)
Gamma Rays
b)
Beta Particles
c)
Hypermatter
d)
None of the above
20.
____ are stopped by thick lead or concrete.
a)
Beta Particles
b)
Gamma Rays
c)
All of the above
d)
None of the above
21.
_______ is the transmutation of a neutron into a proton and an electron.
a)
Alpha radiation
b)
Gamma radiaton
c)
Beta radiation
d)
None of the above
22.
When an atom emits a beta particle, the atom’s mass will not change, but the atomic number with increase by ___________.
a)
Four
b)
Two
c)
None
d)
One
23.
What charge do gamma radiations have?
a)
None
b)
One
c)
Two
d)
Four
24.
What is the mass number of a gamma radiation?
a)
Three
b)
One
c)
Zero
d)
Four
25.
____________ is the process of changing one element to another through nuclear decay
a)
Transmutation
b)
An unstable nuclei
c)
Isotopes
d)
A half life
26.
____________ of a radioactive isotope is the length of time it takes half of the atoms of a sample of the radioactive isotope to decay.
a)
An unstable nuclei
b)
Half life
c)
Transmutation
d)
Isotopes
27.
_______ is used to measure the age of rocks.
a)
Carbon dating
b)
Ionization
c)
Uranium dating
d)
Time travel
28.
_________ are instruments used to identify ions formed when radiation passes through matter.
a)
Radiation Detectors
b)
Uranium dating
c)
Carbon dating
d)
None of the above
29.
What detects charged particles produced from interaction of gas with particles emitted from radioactive material?
a)
Cloud chamber
b)
Electroscopes
c)
Geiger counter
d)
Bubble chamber
30.
What detects alpha or beta particles by means of a trail of condensed vapors?
a)
Geiger counter
b)
Bubble chamber
c)
Electroscopes
d)
Cloud chamber
31.
What detects radioactive particles by means of a bubble trail in superheated liquid?
a)
Bubble chamber
b)
Geiger chamber
c)
Cloud chamber
d)
Electroscopes
32.
What can measure charged particles in the air?
a)
Bubble chamber
b)
Electroscopes
c)
Cloud chamber
d)
All of the above
33.
Which is the splitting of a heavy atom into lighter atoms, with a loss of mass which becomes energy?
a)
Nuclear Fission
b)
Nuclear Fusion
c)
Both
d)
None
34.
Which is the process in which two light atoms are forced together to become a heavier atom with a loss of mass which becomes energy?
a)
Nuclear Fission
b)
Nuclear Fusion
c)
Both
d)
None
35.
Which formula is the process of Nuclear Fission?
a)
X + Y --> Z + energy
b)
X --> Y + Z + energy
c)
Both
d)
None
36.
Which formula is the process of Nuclear Fusion?
a)
X + Y --> Z + energy
b)
X --> Y + Z + energy
c)
Both
d)
None
37.
Which Nuclear Reaction is this?
a)
Nuclear Fission
b)
Nuclear Fusion
c)
Chain Reaction
d)
None of the above
38.
Which is an on going series of Fission reactions?
a)
Nuclear Fission
b)
Nuclear Fusion
c)
Chemical Reaction
d)
None of the above
39.
What is the amount of material required so that each fission reaction produces approximately one more fission reaction?
a)
Nuclear Fission
b)
Nuclear Fusion
c)
Chemical Reaction
d)
Critical Mass
40.
Which of these are used in nuclear reactions in medicine?
a)
Tracers
b)
Iodine-131
c)
Cancer Treatments
d)
All of the above
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