History of Radiation

What did Röntgen notice about the painted cardboard in his experiment?

• It melted

• It glowed

• It cracked

• It changed color

What did scientists understand about the universe before Marie Curie's discoveries?

• The universe was static

• Large, visible stuff collides due to gravity

• The universe was expanding

• The universe was shrinking

What did Röntgen's discovery lead to in the field of physics?

• Quantum mechanics

• Particle physics

• Thermodynamics

• Classical mechanics

What did Becquerel use to make materials glow new colors?

• Heat

• Light

• Sound

• Pressure

What type of energy was hitting the photographic plate?

• Thermal energy

• Radiation

• Sound energy

• Electrical energy

What did Becquerel's research on radiation and magnetic fields reveal?

• Radiation is always positive

• Radiation can be deflected by magnetic fields

• Radiation is unaffected by magnetic fields

• Radiation is always negative

What subject did Marie Curie earn her first degree in?

• Chemistry

• Biology

• Physics

• Mathematics

What did Marie Curie learn about after her marriage?

• Einstein's theory of relativity

• Röntgen’s and Becquerel’s discoveries

• The periodic table

• Quantum mechanics

What did radioactive decay demonstrate about atoms?

• Atoms are indestructible

• Atoms can be split

• Atoms are always stable

• Atoms cannot release energy

Who discovered that thorium is radioactive in 1898?

• Carl Schmidt

• Marie Curie

• Pierre Curie

• Alice Ball