8th grade science ch9

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How much did the nuclear bomb that would be tested in New Mexico cost

2 billion

How many tons of TNT is the bomb equivalent to?

20,000

What number indicates an unstable nuclei

82

Nuclear fission chain reaction

A chain reaction occurs when particles from a nucleus being split hit other nuclei to split.

Switch

A device for making, breaking, or changing the connections in an electrical circuit.

Magnet

Any material that attracts iron and materials that contain iron

Fusion

Atoms joining together

DC current

Current flows in one direction only.

Oppenheimer and Heisenberg finally meet. What is the topic of their discussion?

Discussion about Heisenberg defecting to the U.S.

Who pushed the United States to initiate a plan to develop the atomic bomb?

Einstein

What country was Werner Heisenberg from

Germany

Which country had the head start on building a atomic bomb?

Germany

What was Heisenberg's big lie?

He claimed that he intentionally hindered his work for the NAZI's​ ​making him look like a hero.

Why did the Nazi's question Heisenberg's loyalty to Germany

He had affiliations with Jewish scientists - They thought he could be a Jewish sympathizer.

Where was the first atomic bomb dropped?

Hiroshima, Japan

Radioisotope

Isotope with an unstable nucleus

Where did Oppenheimer choose to be the base of operations to build the first atomic bomb?

Los Alamos, New Mexico

When Oppenheimer realizes he will not have enough uranium to build atomic bombs, what ingredient does he choose to use instead?

Plutonium

What is J. Robert Oppenheimer's profession?

Professor

In what field of science did Heisenberg devote himself to after WWI?

Quantum Physic

Cell

Source of power (battery)

What is significant about splitting an atom?

Splitting an atom releases a huge amount of energy. Many​ ​atoms could create a weapon - a nuclear bomb.

What was the plan to develop the atomic bomb called

The Manhattan Project

magnetic field

The area of magnetic force around a magnet

What was the nickname for the the nuclear bomb that would be tested in New Mexico

The gadget

Heisenberg wrote a paper on something he called the "uncertainly principle." How was he recognized for this achievement

The noble prize

Fission

The splitting of an atomic nucleus to release energy.

half-life

The time required for one half of the atoms of a radioisotope to emit radiation an decay products

Wire

This conductor connects all parts of the electrical circuit

What was the United State' plan to ensure that Heisenberg does not develop the atomic bomb first?

To Assassinate Heisenberg

What special ingredient is needed to build an atomic bomb

Uranium

electric circuit

a complete, unbroken path through which electric charges can flow

AC current

alternating current

What is the key to a plutonium bomb?

implosion

MRI (magnetic resonance imaging)

is a brain imaging technique that detects magnetic changes in the brain's blood flow patterns.

Compass

navigational instrument for finding directions

What can a radioisotope nuclei do

spontaneously decompose by throwing off particles and radiation.


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