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Science - unit 5. > atomic energy > Flashcards

atomic energy Flashcards

1
Q

When the nucleus of an atom is split, the release of ________ produces a ________ reaction.
spontaneous
neutrons
nuclear
protons
nuclei
electrons
chain

neutrons
chain
nuclear
spontaneous
nuclei
electrons
protons

A

neutrons produces a chain reaction.

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2
Q

the process of combining the nuclei of two atoms is called __________.
fusion
fizzing
atomic
fission

A

fusion

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3
Q

the splitting apart of an atom’s nucleus is called _________.
fizzing
fusion
fission
atomic

A

fission

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4
Q

the splitting or fusing of atomic nuclei is called what?

A

atomic reaction

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5
Q

splitting one after another is called what?

A

chain reaction

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6
Q

the action of blowing up;”instant” oxidation is called what?

A

explosion

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7
Q

melting together; the joining of atomic nuclei at high heat is called what?

A

fusion

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8
Q

the center or core of the atom is called what?

A

nucleus

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9
Q

the mass of one proton or one neutron is called what?

A

atomic mass unit

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10
Q

the splitting of atomic nuclei is called what?

A

fission

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11
Q

the negatively charged particle of an atom is called what?

A

electron

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12
Q

the quantity of matter something contains is called what?

A

mass

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13
Q

the positive particles of the atomic nucleus is called what?

A

protons

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14
Q

anything that takes up space is called what?

A

matter

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14
Q

an atom of an element having a different number of neutrons is called what?

A

isotope

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15
Q

the uncharged particle in the nucleus of an atom is called what?

A

neutron

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16
Q

electrons are heavier than protons. true or false?

A

false

17
Q

both the atomic bomb and nuclear power plants produce energy by the process of nuclear __________.
fusion
heating
energy
fission

A

nuclear fission

18
Q

the mathematical relationship of the change of mass to energy was discovered by _________.
kepler
pasteur
newton
einstein

A

einstein

19
Q

the protons in the nucleus attract electrons. true or false?

A

true

20
Q

an element is composed of at least two kinds of atoms. true or false?

A

false

21
Q

the sun produces its heat by converting ____________.
energy to light
energy to heat
heat to mass
mass to energy

A

mass to energy

21
Q

the nucleus is at the center of the atom. true or false?

A

true

22
Q

when nuclear fission occurs ______.
energy is converted to matter
energy is absorbed
energy is released

A

energy is released

23
Q

a basic substance consisting of only one kind of atom is called a(n) __________.
element
molecule
compound
ion

A

element

24
Q

science has no explanation or theory for the origin of matter and energy. true or false?

A

true

25
Q

the total mass of a chemical reaction always ______.
increases
remains constant
changes
decreases

A

remains constant

26
Q

nuclear reactions convert some of the mass to ________.
weight
density
energy
motion

A

energy

27
Q

a certain quantity of matter is called _______.
volume
mass
weight
area

A

mass

28
Q

the electron has a negative charge. true or false?

A

true

29
Q

during a nuclear reaction, a small loss of mass will produce a ____________.
great amount of energy
great chemical reaction
small amount of energy
small change in the speed of light

A

great amount of energy

29
Q

protons and neutrons are bound tightly together in the _______ of an atom.
orbits
electrons
nucleus
middle

A

nucleus

29
Q

nuclear fusion requires extremely high ________.
neutrons
temperature
density
atoms

A

temperature

30
Q

the bible states that god created matter and energy. true or false?

A

true

31
Q

which statements are correct regarding the law of conservation of matter and energy?

matter or energy can create itself.
matter or energy was created by known principles of physics and chemistry.
matter or energy can change from one form to another.
the law agrees with the biblical account of creation.

A

matter or energy can change from one form to another.

the law agrees with the biblical account of creation

32
Q

neutrons have a positive charge. true or false?

A

false

32
Q

neither ______ nor _______ can be created or destroyed, but they can be changed from one form to the other.
distance
weight
motion
density
energy
matter

A

energy nor matter

32
Q

electrons surround the nucleus in orbitals. true or false?

A

true

33
Q

thermonuclear reactions occur as the result of _______.
nuclear fission
nuclear fusion
none of these
both of these

A

nuclear fusion

34
Q

atomic energy is produced from changes within the ________ of an atom.
protons
neutrons
electrons
nucleus

A

nucleus

35
Q

scientists have discovered over two hundred elements. true or false?

A

false

36
Q

nuclear fusion within the sun is demonstrating which law?
the law of conservation of matter and energy.
the law of conservation of momentum.

A

the law of conservation of matter and energy

Science - unit 5. (7 decks)

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