Why can a radioactive material affect photographic film even though the film is well wrapped in black paper?

Beta or gamma rays can penetrate paper

Nuclear radiation is visible light

Radiation studied photography and knows how to manipulate it.

Alpha particles can penetrate paper

How does nuclear radiation damage biological tissue?

It can ionize the atoms and molecules in any tissue in the body

It damages only the DNA of living creatures

Because it smells extremely bad

Because it damages only the brain in living beings

Explain how film badges, Geiger-Muller counters, and scintillation detectors are used to detect radiation and measure radiation exposure

Film badges use exposure of film, Geiger uses electric pulses from gas, scintillation counters uses scintillating light

Film badges use visible light, geiger counters use scintillating light and scintillation detectors use electric pulses from gas

Geiger uses exposure of film, film badges uses scintillating light and scintillation counters count electric-pulses from gas.

How is the age of an object that contains a radioactive nuclide estimated?

By measuring the accumulation of a daughter nuclide or the disappearance of a parent nuclide and then comparing its concentration compared to its half-life

We cannot even approximate the date of older objects because radio-dating knowledge is incomplete

By giving it to Bob, who knows a lot about these things

By looking for a radio-isotope and then the objects age will be the nuclides half-life

How is the fission of uranium-235 nucleus induced?

by bombarding the nucleus with slow neutrons

by bombarding the nucleus with protons

By using a special chemical called pitocin

by bombarding the nucleus with gamma rays

How does the fission of uranium-235 produce a chain reaction

When slow neutrons are absorbed by uranium-235, the atom splits and emits more neutrons than were absorbed. These neutrons bombard more uranium atoms, and the process continues

When protons are absorbed by uranium-235, the atom splits and emits more neutrons than were absorbed. These neutrons bombard more uranium atoms, and the process continues

When gamma rays are absorbed by uranium-235, the atom splits and emits more neutrons than were absorbed. These neutrons bombard more uranium atoms, and the process continues

Describe the purposes of the five major components of a nuclear power plant.

Fuel contains fissile material, coolant absorbs energy as heat, moderator slows neutrons produced by fission, shielding keeps radiation from escaping and control rods absorb free neutrons

Control rods contains fissile material, moderator absorbs energy as heat, coolant slows neutrons produced by fission, fuel keeps radiation from escaping and shielding absorb free neutrons

Coolant contains fissile material, fuel absorbs energy as heat, shielding slows neutrons produced by fission, moderator keeps radiation from escaping and control rods absorb free neutrons

Bathroom used to eliminate waste, break-room used to eat lunch, smoke-stacks used to make pretty clouds, parking lot used to hold lunch-time nap apparatti, time-clock used to keep track of the employees

What is one problem that must be overcome before controlled fusion reactions that produce energy are a reality?

All of these things must be overcome

because a large amount of energy is required to start the reaction, more energy must be gotten out than put into the reaction

No known material can withstand the initial temperatures

The fear of anything with the word nuclear

Describe the reaction that produces the sun's energy

Hydrogen nuclei combine at an extremely high temperature and pressure to form a helium nucleus with loss of mass and the resulting release of energy

Through normal chemical reactions.

People at the center of the sun are happy people. Their smiles light up the universe.

Slow neutrons are absorbed by uranium-235, the atom splits and emits more neutrons than were absorbed. These neutrons bombard more uranium atoms and the process continues.