Decathlon: Science

The flow of electrons through a wire or conductor is referred to as a(n)

A radioactive substance is one in which the nuclei of its atoms becomes

Radiation therapy is used to kill ionizing radiation by damaging which of the following?

J. Robert Oppenheimer performed the __________calculations for the uranium chain reaction.

Bosons are particles with _______________integer spin.

What was the primary objective of the S-1 committee?

Americium-241 is found in which of these items?

Where did Enrico Fermi’s first successful self-sustaining chain reaction happen?

Which Best describes the following equation... ¹⁴₆C->¹⁴₆C+ y ?

Which of the following is the approximate wavelength of visible red?

Which of the following is the approximate wavelength ultraviolet radiation [in meters]?

What technique is used to cool atoms used in laser operations?

In 1938, Hahn and Strassman discovered uranium __________.

Visible light has wavelengths in the range of ___________nm.

Atoms can be transitioned to a lower energy level through a process called ___________.

Which of the following is NOT a Platonic solid?

Which of the following is the reason that keeps nuclei apart?

What happens to the atomic mass and number of an element during gamma decay?

Why was the gun-type configuration impractical for a plutonium bomb?

Rutherford named the dense central core of the atom _____.

Define effective multiplication factor K.

The Curies discovered the radioactive element _______________.

Which is the basis for the medical imaging technique of magnetic resonance imaging (MRI)?

The _______________ number is commonly listed on periodic tables.

Site Y is now known as _______.

Nuclear reactions that release energy are called ___________ reactions.

The first cyclotron was converted into a mass spectrometer to separate which isotopes?

Electricity and magnetism are closely related because they are both caused by

The unit used to measure doses of ionizing radiation is called the ___________.

For severe sunburns, which of the following causes the damage to the DNA in the skin cells?

“Quanta of light” is known as which of the following?

Which two phenomena did Newton’s hypothesis of light NOT explain?

Wilhelm Röntgen used the letter “x” for a type of radiation he observed because it was

On August 9, 1945, which of the following Japanese cities was bombed using an atomic weapon –

Which president signed the Nuclear Non-Proliferation Act of 1978 into law?

Plutonium can be separated uranium using __________techniques.

Why do positrons have an extremely short lifetime outside of a vacuum?

When a nucleus changes from an excited energy state to a lower energy state and releases energy

French chemist Antoine Lavoisier identified and named these two elements

On August 6, 1945, which of the following Japanese cities was bombed using an atomic weapon?

Which of the following has a lower frequency than microwaves?

The size of the nucleus is about __________times smaller in diameter.

Which of the following is the Q value for an endothermic reaction?

During a normal operation in anuclear power plant, what is the greenhouse gas being emitted?

The ________ factor helps characterize the rate at which a nuclear chain reaction will proceed.