Radioactivity

Radioactivity

Open Ended

Where's the most reactive pace on earth?

Open Ended

What's the most dangerous job when it comes to radiation?

Multiple Choice

What is the dose of radiation that kills 50% of people who receive that dose? (LD 50)

• 0.1 Sieverts

• 1 Sievert

• 3 Sieverts

• 5 Sieverts

• 10 Sieverts

Multiple Choice

Which particle has a negative charge

• Alpha

• Electron

• Proton

• Neutron

Multiple Choice

When nuclei decay, massive amounts of __________ is released.

• energy

• electrons

• protons

• neutrons

Multiple Choice

Different isotopes have...

• different masses
• different atomic numbers
• different electrons
• different protons

Multiple Choice

What is an isotope? 

• A charged atom
• An atom with different amounts of neutrons
• An atom with different amounts of protons
• A neutral atom

Multiple Choice

What is the mass number of Uranium

• 92

• 238.029

• 340.029

• None of these

Multiple Choice

Which atoms combine together during fusion reaction on the sun?

• Helium and Hydrogen atoms
• Hydrogen atoms
• Hydrogen and Lithium atoms
• Hydrogen and Carbon atoms

Multiple Choice

Where does fusion occur naturally?

• Underwater
• All around us
• In the radioactive waste
• On the sun

Multiple Choice

How do nuclear power-plants work?

• Fusion
• Half-life
• Fission
• Fusion or fission

Multiple Choice

The splitting of a nucleus into smaller nuclei is

• fusion
• fission
• half-life
• gamma radiation

Multiple Choice

Takes two small nuclei and combines them into a larger nucleus

• fission
• fusion

Multiple Choice

What is the function of the cooling towers of the nuclear reactor?

• to create steam

• to spin the turbine

• to limit the heat produced by the uranium

• to turn steam back into water

Multiple Select

Choose THREE benefits of using nuclear power

• no CO2 emitted to the atmosphere to cause global warming

• no fossil fuels are burned

• there is no waste with nuclear power

• it provides a large amount of electricity

• the waste stays radioactive for thousands of years

Multiple Choice

Nuclear Power uses ____________ to create energy

• coal

• natural gas

• uranium

• cooling towers