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Modesta Steuber

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Cards in this guide (20)
What caused the advertising industry boom in the 1950s

To understand the economic boom of the 1950s it is necessary to appreciate the positive impacts that were borne out of World War II. The foundation for the economic expansion and growth experienced in 1950 and several years after that were laid during World War II.

What is the total kinetic energy of the atoms and molecules in an object called

Temperature is the measure of average kinetic energy of all the atoms and molecules in an object

What describes a radioisotope

An isotope of an element that is radioactive

What does the wavelength of an EM wave tell about its energy

As the wavelength decreases, the energy increases.

Which of the following processes does not facilitate containment

Enrichment of uranium-235 is done.

Which of these is a reason why nuclear power is important

Fossil fuels will run out soon.

What property should a radioisotope used for dating have

it's half-life should be similar to the age of the fossil. APEX

What is the half-life of a radioisotope if a 100 g sample becomes 50 g after 20 years

20 years

During an earthquake the cooling system of a nuclear reaction can be compromised increasing the threat of what

a meltdown

What safety features aims to keep nuclear radiation contained

Steel-reinforced concrete

In a nuclear fission reaction a freely moving neutron is introduced to nuclear fuel such as uranium 235 what happens next

A neutron is absorbed by an atoms nucleus

What is the slowing down of neutrons to increase the probability of their absorption by the Atoms in uranium called

neutron moderation

In neutron moderation neutrons are slowed down so that

they will more likely be absorbed by more atoms in uranium-235

In the use of nuclear fuels where does the power come from

Energy contained in bonds within a nucleus that is converted to kinetic energy.

What is the c-14 c-12 ratio used to date once living organisms

the ratio is 1.3 x 10^(-12)

Brakes are to a car as control rods are to a nuclear-fission chain reaction - true or false

true

A free-moving neutron is absorbed by the nucleus of an atom. This can cause

the atom to become unstable and rip apart

What is heat included in the equation of an endothermic reaction

The heat in an endothermic reaction is included as a reactant on the left side of the equation, and has a positive value.

What particle is used to start nuclear fission

In actuality, a spontaneous fission event begins a nuclear chain reaction. It kick starts a nuclear chain reaction. And a neutron from that fission will initiate another fission to continue and rev up that nuclear chain reaction.

Which of these statements about the lives of African slaves in America is true

Killing your own slaves was not a crime.

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