Open Scied 8.1 Science

Who was the first person to get radiographed ?

• Roentgen wife’s hand

• Thomas Edison’

• George Washington

• Clarence Dally

Who invented X - Rays?

• Donald Trump

• Louis Pasteur

• Thomas Jefferson

• Wilhelm Conrad Roentgen

The commonality between Becquerel and the Curies is their work with:

• radium
• polonium
• cesium
• uranium

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NGSS.HS-PS1-8

What new elements did Marie and Pierre Curie discover?

• Uranium and polonium

• Radium and polonium

• Radium and uranium

• Radium and thorium

Which scientist’s discovery of mysterious radiation from uranium first sparked Marie Curie’s interest?

• Pierre Curie

• Henri Becquerel

• Alfred Nobel

• Albert Einstein

Which particles make up the nucleus of an atom?

• protons and neutrons
• electrons and protons
• electrons, protons, and neutrons
• electrons and neutrons

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NGSS.HS-PS1-8

What makes something radioactive?

• elements with an atomic number above 81
• an unstable nucleus
• contaminated sewage
• It decays over time

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NGSS.HS-PS1-8

_______________ is the process by which unstable atoms emit radiation until they become stable.

• Radiation
• Chemical Reaction
• Radioactive Decay
• Isotopes

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NGSS.HS-PS1-8

Which type of radiation releases an electron?

• Alpha radiation

• Beta radiation

• Gamma radiation

• Theta radiation

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NGSS.HS-PS1-8

What particle is released when an unstable isotope undergoes alpha radiation?

• a helium nucleus

• an electron

• a photon of light

• a neutron

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NGSS.HS-PS1-8